mirror of
https://github.com/revanced/smali.git
synced 2025-06-13 04:27:38 +02:00
Add tests and related fixes for leb128 functionality in DexFileReader
This commit is contained in:
Ben Gruver
@ -83,7 +83,7 @@ public class DexFileReader {
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result = (result << 4) >> 4;
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} else {
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currentByteValue = buf[end++] & 0xff;
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if (currentByteValue > 0x0f) {
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if (currentByteValue > 0x7f) {
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throw new ExceptionWithContext(
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"Invalid sleb128 integer encountered at offset 0x%x", offset);
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}
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@ -114,15 +114,17 @@ public class DexFileReader {
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currentByteValue = buf[end++] & 0xff;
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result |= (currentByteValue & 0x7f) << 21;
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if (currentByteValue > 0x7f) {
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currentByteValue = buf[end++] & 0xff;
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// we assume the most significant bit will never be set
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if (currentByteValue > 0x07) {
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if (currentByteValue <= 0x0f) {
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throw new ExceptionWithContext(
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"Encountered valid uleb128 that is out of range at offset 0x%x", offset);
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}
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currentByteValue = buf[end++];
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// MSB shouldn't be set on last byte
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if (currentByteValue < 0) {
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throw new ExceptionWithContext(
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"Invalid uleb128 integer encountered at offset 0x%x", offset);
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} else if ((currentByteValue & 0xf) > 0x07) {
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// we assume most significant bit of the result will not be set, so that it can fit into
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// a signed integer without wrapping
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throw new ExceptionWithContext(
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"Encountered valid uleb128 that is out of range at offset 0x%x", offset);
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}
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result |= currentByteValue << 28;
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}
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@ -148,9 +150,14 @@ public class DexFileReader {
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currentByteValue = buf[end++];
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if (currentByteValue < 0) { // if the MSB is set
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currentByteValue = buf[end++];
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if (currentByteValue < 0 || currentByteValue > 0x0f) {
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if (currentByteValue < 0) {
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throw new ExceptionWithContext(
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"Invalid uleb128 integer encountered at offset 0x%x", offset);
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} else if ((currentByteValue & 0xf) > 0x07) {
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// we assume most significant bit of the result will not be set, so that it can fit into
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// a signed integer without wrapping
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throw new ExceptionWithContext(
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"Encountered valid uleb128 that is out of range at offset 0x%x", offset);
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}
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}
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}
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@ -0,0 +1,269 @@
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/*
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* Copyright 2012, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.jf.dexlib2.dexbacked;
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import junit.framework.Assert;
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import org.jf.util.ExceptionWithContext;
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import org.junit.Test;
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public class DexFileReaderLeb128Test {
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@Test
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public void testUleb128() {
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performTest(0x0, new byte[]{0x0, 0x11}, 1);
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performTest(0x1, new byte[]{0x1, 0x11}, 1);
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performTest(0x3f, new byte[]{0x3f, 0x11}, 1);
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performTest(0x40, new byte[]{0x40, 0x11}, 1);
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performTest(0x70, new byte[]{0x70, 0x11}, 1);
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performTest(0x7f, new byte[]{0x7f, 0x11}, 1);
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performTest(0x80, new byte[]{(byte)0x80, 0x1, 0x11}, 2);
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performTest(0x100, new byte[]{(byte)0x80, 0x2, 0x11}, 2);
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performTest(0x800, new byte[]{(byte)0x80, 0x10, 0x11}, 2);
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performTest(0x1f80, new byte[]{(byte)0x80, 0x3f, 0x11}, 2);
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performTest(0x2000, new byte[]{(byte)0x80, 0x40, 0x11}, 2);
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performTest(0x2080, new byte[]{(byte)0x80, 0x41, 0x11}, 2);
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performTest(0x3800, new byte[]{(byte)0x80, 0x70, 0x11}, 2);
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performTest(0x3f80, new byte[]{(byte)0x80, 0x7f, 0x11}, 2);
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performTest(0xff, new byte[]{(byte)0xff, 0x1, 0x11}, 2);
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performTest(0x17f, new byte[]{(byte)0xff, 0x2, 0x11}, 2);
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performTest(0x87f, new byte[]{(byte)0xff, 0x10, 0x11}, 2);
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performTest(0x1fff, new byte[]{(byte)0xff, 0x3f, 0x11}, 2);
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performTest(0x207f, new byte[]{(byte)0xff, 0x40, 0x11}, 2);
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performTest(0x20ff, new byte[]{(byte)0xff, 0x41, 0x11}, 2);
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performTest(0x387f, new byte[]{(byte)0xff, 0x70, 0x11}, 2);
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performTest(0x3fff, new byte[]{(byte)0xff, 0x7f, 0x11}, 2);
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performTest(0x4000, new byte[]{(byte)0x80, (byte)0x80, 0x1, 0x11}, 3);
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performTest(0x8000, new byte[]{(byte)0x80, (byte)0x80, 0x2, 0x11}, 3);
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performTest(0x40000, new byte[]{(byte)0x80, (byte)0x80, 0x10, 0x11}, 3);
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performTest(0xfc000, new byte[]{(byte)0x80, (byte)0x80, 0x3f, 0x11}, 3);
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performTest(0x100000, new byte[]{(byte)0x80, (byte)0x80, 0x40, 0x11}, 3);
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performTest(0x104000, new byte[]{(byte)0x80, (byte)0x80, 0x41, 0x11}, 3);
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performTest(0x1c0000, new byte[]{(byte)0x80, (byte)0x80, 0x70, 0x11}, 3);
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performTest(0x1fc000, new byte[]{(byte)0x80, (byte)0x80, 0x7f, 0x11}, 3);
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performTest(0x7fff, new byte[]{(byte)0xff, (byte)0xff, 0x1, 0x11}, 3);
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performTest(0xbfff, new byte[]{(byte)0xff, (byte)0xff, 0x2, 0x11}, 3);
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performTest(0x43fff, new byte[]{(byte)0xff, (byte)0xff, 0x10, 0x11}, 3);
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performTest(0xfffff, new byte[]{(byte)0xff, (byte)0xff, 0x3f, 0x11}, 3);
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performTest(0x103fff, new byte[]{(byte)0xff, (byte)0xff, 0x40, 0x11}, 3);
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performTest(0x107fff, new byte[]{(byte)0xff, (byte)0xff, 0x41, 0x11}, 3);
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performTest(0x1c3fff, new byte[]{(byte)0xff, (byte)0xff, 0x70, 0x11}, 3);
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performTest(0x1fffff, new byte[]{(byte)0xff, (byte)0xff, 0x7f, 0x11}, 3);
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performTest(0x200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 4);
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performTest(0x400000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 4);
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performTest(0x2000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x10, 0x11}, 4);
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performTest(0x7e00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x3f, 0x11}, 4);
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performTest(0x8000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x40, 0x11}, 4);
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performTest(0x8200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x41, 0x11}, 4);
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performTest(0xe000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x70, 0x11}, 4);
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performTest(0xfe00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x7f, 0x11}, 4);
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performTest(0x3fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 4);
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performTest(0x5fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 4);
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performTest(0x21fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x10, 0x11}, 4);
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performTest(0x7ffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x3f, 0x11}, 4);
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performTest(0x81fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x40, 0x11}, 4);
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performTest(0x83fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x41, 0x11}, 4);
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performTest(0xe1fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x70, 0x11}, 4);
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performTest(0xfffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x7f, 0x11}, 4);
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performTest(0x10000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 5);
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performTest(0x20000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 5);
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performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x7, 0x11}, 5);
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performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x17, 0x11}, 5);
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performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x47, 0x11}, 5);
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performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x77, 0x11}, 5);
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performTest(0x1fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 5);
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performTest(0x2fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 5);
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performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x7, 0x11}, 5);
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performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x17, 0x11}, 5);
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performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x47, 0x11}, 5);
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performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x77, 0x11}, 5);
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performTest(0xcc, new byte[]{(byte)0xcc, 0x1});
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performTest(0x3b67, new byte[]{(byte)0xe7, 0x76});
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performTest(0x1b857589, new byte[]{(byte)0x89, (byte)0xeb, (byte)0x95, (byte)0xdc, 0x1});
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performTest(0x375d82e5, new byte[]{(byte)0xe5, (byte)0x85, (byte)0xf6, (byte)0xba, 0x3});
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performTest(0x5524da90, new byte[]{(byte)0x90, (byte)0xb5, (byte)0x93, (byte)0xa9, 0x5});
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performTest(0x35, new byte[]{0x35});
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performTest(0xd7, new byte[]{(byte)0xd7, 0x1});
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performTest(0x63, new byte[]{0x63});
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performTest(0x22cb5b, new byte[]{(byte)0xdb, (byte)0x96, (byte)0x8b, 0x1});
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performTest(0x585e, new byte[]{(byte)0xde, (byte)0xb0, 0x1});
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performTest(0x5d62a965, new byte[]{(byte)0xe5, (byte)0xd2, (byte)0x8a, (byte)0xeb, 0x5});
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performTest(0x6af172db, new byte[]{(byte)0xdb, (byte)0xe5, (byte)0xc5, (byte)0xd7, 0x6});
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performTest(0xe, new byte[]{0xe});
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performTest(0xb75f7a, new byte[]{(byte)0xfa, (byte)0xbe, (byte)0xdd, 0x5});
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performTest(0x8604, new byte[]{(byte)0x84, (byte)0x8c, 0x2});
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performTest(0x31624026, new byte[]{(byte)0xa6, (byte)0x80, (byte)0x89, (byte)0x8b, 0x3});
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performTest(0x8d, new byte[]{(byte)0x8d, 0x1});
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performTest(0xc0, new byte[]{(byte)0xc0, 0x1});
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performTest(0xd7618cb, new byte[]{(byte)0xcb, (byte)0xb1, (byte)0xd8, 0x6b});
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performTest(0xff, new byte[]{(byte)0xff, 0x1});
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performTest(0x5c923e42, new byte[]{(byte)0xc2, (byte)0xfc, (byte)0xc8, (byte)0xe4, 0x5});
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performTest(0x91, new byte[]{(byte)0x91, 0x1});
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performTest(0xbe0f97, new byte[]{(byte)0x97, (byte)0x9f, (byte)0xf8, 0x5});
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performTest(0x88bc786, new byte[]{(byte)0x86, (byte)0x8f, (byte)0xaf, 0x44});
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performTest(0x8caa9a, new byte[]{(byte)0x9a, (byte)0xd5, (byte)0xb2, 0x4});
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performTest(0x4aee, new byte[]{(byte)0xee, (byte)0x95, 0x1});
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performTest(0x438c86, new byte[]{(byte)0x86, (byte)0x99, (byte)0x8e, 0x2});
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performTest(0xc0, new byte[]{(byte)0xc0, 0x1});
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performTest(0xb486, new byte[]{(byte)0x86, (byte)0xe9, 0x2});
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performTest(0x83fd, new byte[]{(byte)0xfd, (byte)0x87, 0x2});
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performTest(0x7b, new byte[]{0x7b});
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performTest(0x1dc84e14, new byte[]{(byte)0x94, (byte)0x9c, (byte)0xa1, (byte)0xee, 0x1});
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performTest(0x2dfc, new byte[]{(byte)0xfc, 0x5b});
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performTest(0x88, new byte[]{(byte)0x88, 0x1});
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performTest(0x919e, new byte[]{(byte)0x9e, (byte)0xa3, 0x2});
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performTest(0x2fcf, new byte[]{(byte)0xcf, 0x5f});
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performTest(0xf00674, new byte[]{(byte)0xf4, (byte)0x8c, (byte)0xc0, 0x7});
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performTest(0xed5f7d, new byte[]{(byte)0xfd, (byte)0xbe, (byte)0xb5, 0x7});
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performTest(0xdbd9, new byte[]{(byte)0xd9, (byte)0xb7, 0x3});
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performTest(0xa1, new byte[]{(byte)0xa1, 0x1});
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performTest(0xf6f76c, new byte[]{(byte)0xec, (byte)0xee, (byte)0xdb, 0x7});
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performTest(0x1eed6f, new byte[]{(byte)0xef, (byte)0xda, 0x7b});
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performTest(0x95c, new byte[]{(byte)0xdc, 0x12});
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performTest(0x1e, new byte[]{0x1e});
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performTest(0xe5, new byte[]{(byte)0xe5, 0x1});
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performTest(0x2f2f13, new byte[]{(byte)0x93, (byte)0xde, (byte)0xbc, 0x1});
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performTest(0x19, new byte[]{0x19});
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performTest(0x3f, new byte[]{0x3f});
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performTest(0x75e3, new byte[]{(byte)0xe3, (byte)0xeb, 0x1});
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performTest(0x67a4c4, new byte[]{(byte)0xc4, (byte)0xc9, (byte)0x9e, 0x3});
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performTest(0xb948, new byte[]{(byte)0xc8, (byte)0xf2, 0x2});
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performTest(0x34b1c9de, new byte[]{(byte)0xde, (byte)0x93, (byte)0xc7, (byte)0xa5, 0x3});
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performTest(0x58f0, new byte[]{(byte)0xf0, (byte)0xb1, 0x1});
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performTest(0x0, new byte[]{0x0});
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performTest(0x9ab3e5, new byte[]{(byte)0xe5, (byte)0xe7, (byte)0xea, 0x4});
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performTest(0x4c4a8a3d, new byte[]{(byte)0xbd, (byte)0x94, (byte)0xaa, (byte)0xe2, 0x4});
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performTest(0x99, new byte[]{(byte)0x99, 0x1});
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performTest(0x1a67e9, new byte[]{(byte)0xe9, (byte)0xcf, 0x69});
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performTest(0x5ddb2d, new byte[]{(byte)0xad, (byte)0xb6, (byte)0xf7, 0x2});
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||||
performTest(0xeccb680, new byte[]{(byte)0x80, (byte)0xed, (byte)0xb2, 0x76});
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performTest(0x6910bbf0, new byte[]{(byte)0xf0, (byte)0xf7, (byte)0xc2, (byte)0xc8, 0x6});
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performTest(0xc5, new byte[]{(byte)0xc5, 0x1});
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performTest(0xdd7225, new byte[]{(byte)0xa5, (byte)0xe4, (byte)0xf5, 0x6});
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performTest(0x4561ea2e, new byte[]{(byte)0xae, (byte)0xd4, (byte)0x87, (byte)0xab, 0x4});
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performTest(0x7f4f08, new byte[]{(byte)0x88, (byte)0x9e, (byte)0xfd, 0x3});
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||||
performTest(0x197f, new byte[]{(byte)0xff, 0x32});
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performTest(0xb8ad13, new byte[]{(byte)0x93, (byte)0xda, (byte)0xe2, 0x5});
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performTest(0x3c8d5db4, new byte[]{(byte)0xb4, (byte)0xbb, (byte)0xb5, (byte)0xe4, 0x3});
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performTest(0x7e4bdf7d, new byte[]{(byte)0xfd, (byte)0xbe, (byte)0xaf, (byte)0xf2, 0x7});
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performTest(0x1e8e23, new byte[]{(byte)0xa3, (byte)0x9c, 0x7a});
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||||
performTest(0x1602, new byte[]{(byte)0x82, 0x2c});
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||||
performTest(0xe2, new byte[]{(byte)0xe2, 0x1});
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performTest(0x38e9, new byte[]{(byte)0xe9, 0x71});
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||||
performTest(0xbf8665, new byte[]{(byte)0xe5, (byte)0x8c, (byte)0xfe, 0x5});
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performTest(0x43, new byte[]{0x43});
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||||
performTest(0xc9d96c, new byte[]{(byte)0xec, (byte)0xb2, (byte)0xa7, 0x6});
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||||
performTest(0x4bd170, new byte[]{(byte)0xf0, (byte)0xa2, (byte)0xaf, 0x2});
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||||
performTest(0x86c11b, new byte[]{(byte)0x9b, (byte)0x82, (byte)0x9b, 0x4});
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||||
performTest(0x1a2611e7, new byte[]{(byte)0xe7, (byte)0xa3, (byte)0x98, (byte)0xd1, 0x1});
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||||
performTest(0xff2f6a, new byte[]{(byte)0xea, (byte)0xde, (byte)0xfc, 0x7});
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||||
performTest(0x6f051635, new byte[]{(byte)0xb5, (byte)0xac, (byte)0x94, (byte)0xf8, 0x6});
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||||
performTest(0x75bf, new byte[]{(byte)0xbf, (byte)0xeb, 0x1});
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||||
performTest(0xe8ce45, new byte[]{(byte)0xc5, (byte)0x9c, (byte)0xa3, 0x7});
|
||||
performTest(0x2946a1d8, new byte[]{(byte)0xd8, (byte)0xc3, (byte)0x9a, (byte)0xca, 0x2});
|
||||
performTest(0xe2, new byte[]{(byte)0xe2, 0x1});
|
||||
performTest(0x44ee, new byte[]{(byte)0xee, (byte)0x89, 0x1});
|
||||
performTest(0x447a, new byte[]{(byte)0xfa, (byte)0x88, 0x1});
|
||||
performTest(0x917, new byte[]{(byte)0x97, 0x12});
|
||||
performTest(0x25, new byte[]{0x25});
|
||||
performTest(0x52c2b8eb, new byte[]{(byte)0xeb, (byte)0xf1, (byte)0x8a, (byte)0x96, 0x5});
|
||||
performTest(0x17dabee4, new byte[]{(byte)0xe4, (byte)0xfd, (byte)0xea, (byte)0xbe, 0x1});
|
||||
performTest(0x9d6a, new byte[]{(byte)0xea, (byte)0xba, 0x2});
|
||||
performTest(0xc4b12d, new byte[]{(byte)0xad, (byte)0xe2, (byte)0x92, 0x6});
|
||||
performTest(0xc9561d, new byte[]{(byte)0x9d, (byte)0xac, (byte)0xa5, 0x6});
|
||||
performTest(0x88a7, new byte[]{(byte)0xa7, (byte)0x91, 0x2});
|
||||
performTest(0x527d8f7a, new byte[]{(byte)0xfa, (byte)0x9e, (byte)0xf6, (byte)0x93, 0x5});
|
||||
performTest(0x2c31, new byte[]{(byte)0xb1, 0x58});
|
||||
performTest(0x3b8c, new byte[]{(byte)0x8c, 0x77});
|
||||
performTest(0xc228, new byte[]{(byte)0xa8, (byte)0x84, 0x3});
|
||||
performTest(0xd730d3, new byte[]{(byte)0xd3, (byte)0xe1, (byte)0xdc, 0x6});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testUleb128Failure() {
|
||||
// result doesn't fit into a signed int
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x8, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x8, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x9, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xa, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xb, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xc, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xd, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xe, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xf, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x18, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x29, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x7a, 0x11});
|
||||
|
||||
// MSB of last byte is set
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xa0, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xf0, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xff, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x11});
|
||||
}
|
||||
|
||||
|
||||
private void performTest(int expectedValue, byte[] buf) {
|
||||
performTest(expectedValue, buf, buf.length);
|
||||
}
|
||||
|
||||
private void performTest(int expectedValue, byte[] buf, int expectedLength) {
|
||||
DexFileBuffer dexFile = new DexFileBuffer(buf);
|
||||
DexFileReader reader = dexFile.readerAt(0);
|
||||
Assert.assertEquals(expectedValue, reader.readSmallUleb128());
|
||||
Assert.assertEquals(expectedLength, reader.getOffset());
|
||||
|
||||
reader = dexFile.readerAt(0);
|
||||
reader.skipUleb128();
|
||||
Assert.assertEquals(expectedLength, reader.getOffset());
|
||||
}
|
||||
|
||||
private void performFailureTest(byte[] buf) {
|
||||
DexFileBuffer dexFile = new DexFileBuffer(buf);
|
||||
DexFileReader reader = dexFile.readerAt(0);
|
||||
try {
|
||||
reader.readSmallUleb128();
|
||||
Assert.fail();
|
||||
} catch (ExceptionWithContext ex) {
|
||||
// expected exception
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,272 @@
|
||||
/*
|
||||
* Copyright 2012, Google Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are
|
||||
* met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following disclaimer
|
||||
* in the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* * Neither the name of Google Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
package org.jf.dexlib2.dexbacked;
|
||||
|
||||
import junit.framework.Assert;
|
||||
import org.jf.util.ExceptionWithContext;
|
||||
import org.junit.Test;
|
||||
|
||||
public class DexFileReaderSleb128Test {
|
||||
@Test
|
||||
public void testSleb128() {
|
||||
performTest(0x0, new byte[]{0x0, 0x11}, 1);
|
||||
performTest(0x1, new byte[]{0x1, 0x11}, 1);
|
||||
performTest(0x3f, new byte[]{0x3f, 0x11}, 1);
|
||||
performTest(0xffffffc0, new byte[]{0x40, 0x11}, 1);
|
||||
performTest(0xfffffff0, new byte[]{0x70, 0x11}, 1);
|
||||
performTest(0xffffffff, new byte[]{0x7f, 0x11}, 1);
|
||||
|
||||
performTest(0x80, new byte[]{(byte)0x80, 0x1, 0x11}, 2);
|
||||
performTest(0x100, new byte[]{(byte)0x80, 0x2, 0x11}, 2);
|
||||
performTest(0x800, new byte[]{(byte)0x80, 0x10, 0x11}, 2);
|
||||
performTest(0x1f80, new byte[]{(byte)0x80, 0x3f, 0x11}, 2);
|
||||
performTest(0xffffe000, new byte[]{(byte)0x80, 0x40, 0x11}, 2);
|
||||
performTest(0xffffe080, new byte[]{(byte)0x80, 0x41, 0x11}, 2);
|
||||
performTest(0xfffff800, new byte[]{(byte)0x80, 0x70, 0x11}, 2);
|
||||
performTest(0xffffff80, new byte[]{(byte)0x80, 0x7f, 0x11}, 2);
|
||||
|
||||
performTest(0xff, new byte[]{(byte)0xff, 0x1, 0x11}, 2);
|
||||
performTest(0x17f, new byte[]{(byte)0xff, 0x2, 0x11}, 2);
|
||||
performTest(0x87f, new byte[]{(byte)0xff, 0x10, 0x11}, 2);
|
||||
performTest(0x1fff, new byte[]{(byte)0xff, 0x3f, 0x11}, 2);
|
||||
performTest(0xffffe07f, new byte[]{(byte)0xff, 0x40, 0x11}, 2);
|
||||
performTest(0xffffe0ff, new byte[]{(byte)0xff, 0x41, 0x11}, 2);
|
||||
performTest(0xfffff87f, new byte[]{(byte)0xff, 0x70, 0x11}, 2);
|
||||
performTest(0xffffffff, new byte[]{(byte)0xff, 0x7f, 0x11}, 2);
|
||||
|
||||
performTest(0x4000, new byte[]{(byte)0x80, (byte)0x80, 0x1, 0x11}, 3);
|
||||
performTest(0x8000, new byte[]{(byte)0x80, (byte)0x80, 0x2, 0x11}, 3);
|
||||
performTest(0x40000, new byte[]{(byte)0x80, (byte)0x80, 0x10, 0x11}, 3);
|
||||
performTest(0xfc000, new byte[]{(byte)0x80, (byte)0x80, 0x3f, 0x11}, 3);
|
||||
performTest(0xfff00000, new byte[]{(byte)0x80, (byte)0x80, 0x40, 0x11}, 3);
|
||||
performTest(0xfff04000, new byte[]{(byte)0x80, (byte)0x80, 0x41, 0x11}, 3);
|
||||
performTest(0xfffc0000, new byte[]{(byte)0x80, (byte)0x80, 0x70, 0x11}, 3);
|
||||
performTest(0xffffc000, new byte[]{(byte)0x80, (byte)0x80, 0x7f, 0x11}, 3);
|
||||
|
||||
performTest(0x7fff, new byte[]{(byte)0xff, (byte)0xff, 0x1, 0x11}, 3);
|
||||
performTest(0xbfff, new byte[]{(byte)0xff, (byte)0xff, 0x2, 0x11}, 3);
|
||||
performTest(0x43fff, new byte[]{(byte)0xff, (byte)0xff, 0x10, 0x11}, 3);
|
||||
performTest(0xfffff, new byte[]{(byte)0xff, (byte)0xff, 0x3f, 0x11}, 3);
|
||||
performTest(0xfff03fff, new byte[]{(byte)0xff, (byte)0xff, 0x40, 0x11}, 3);
|
||||
performTest(0xfff07fff, new byte[]{(byte)0xff, (byte)0xff, 0x41, 0x11}, 3);
|
||||
performTest(0xfffc3fff, new byte[]{(byte)0xff, (byte)0xff, 0x70, 0x11}, 3);
|
||||
performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, 0x7f, 0x11}, 3);
|
||||
|
||||
performTest(0x200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 4);
|
||||
performTest(0x400000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 4);
|
||||
performTest(0x2000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x10, 0x11}, 4);
|
||||
performTest(0x7e00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x3f, 0x11}, 4);
|
||||
performTest(0xf8000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x40, 0x11}, 4);
|
||||
performTest(0xf8200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x41, 0x11}, 4);
|
||||
performTest(0xfe000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x70, 0x11}, 4);
|
||||
performTest(0xffe00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x7f, 0x11}, 4);
|
||||
|
||||
performTest(0x3fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 4);
|
||||
performTest(0x5fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 4);
|
||||
performTest(0x21fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x10, 0x11}, 4);
|
||||
performTest(0x7ffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x3f, 0x11}, 4);
|
||||
performTest(0xf81fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x40, 0x11}, 4);
|
||||
performTest(0xf83fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x41, 0x11}, 4);
|
||||
performTest(0xfe1fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x70, 0x11}, 4);
|
||||
performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x7f, 0x11}, 4);
|
||||
|
||||
performTest(0x10000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 5);
|
||||
performTest(0x20000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 5);
|
||||
performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x7, 0x11}, 5);
|
||||
performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x17, 0x11}, 5);
|
||||
performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x47, 0x11}, 5);
|
||||
performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x77, 0x11}, 5);
|
||||
performTest(0x80000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x8, 0x11}, 5);
|
||||
performTest(0xe0000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0xe, 0x11}, 5);
|
||||
performTest(0xf0000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0xf, 0x11}, 5);
|
||||
|
||||
performTest(0x1fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 5);
|
||||
performTest(0x2fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 5);
|
||||
performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x7, 0x11}, 5);
|
||||
performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x17, 0x11}, 5);
|
||||
performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x47, 0x11}, 5);
|
||||
performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x77, 0x11}, 5);
|
||||
performTest(0x8fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x8, 0x11}, 5);
|
||||
performTest(0xefffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xe, 0x11}, 5);
|
||||
performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xf, 0x11}, 5);
|
||||
|
||||
performTest(0x8197d2, new byte[]{(byte)0xd2, (byte)0xaf, (byte)0x86, 0x4});
|
||||
performTest(0x3cc8eb78, new byte[]{(byte)0xf8, (byte)0xd6, (byte)0xa3, (byte)0xe6, 0x3});
|
||||
performTest(0x51307f32, new byte[]{(byte)0xb2, (byte)0xfe, (byte)0xc1, (byte)0x89, 0x5});
|
||||
performTest(0x8893, new byte[]{(byte)0x93, (byte)0x91, 0x2});
|
||||
performTest(0x80fb, new byte[]{(byte)0xfb, (byte)0x81, 0x2});
|
||||
performTest(0x3d, new byte[]{0x3d});
|
||||
performTest(0x987c, new byte[]{(byte)0xfc, (byte)0xb0, 0x2});
|
||||
performTest(0x5b2478, new byte[]{(byte)0xf8, (byte)0xc8, (byte)0xec, 0x2});
|
||||
performTest(0x65350ed9, new byte[]{(byte)0xd9, (byte)0x9d, (byte)0xd4, (byte)0xa9, 0x6});
|
||||
performTest(0x3e, new byte[]{0x3e});
|
||||
performTest(0x7b1e, new byte[]{(byte)0x9e, (byte)0xf6, 0x1});
|
||||
performTest(0xb5, new byte[]{(byte)0xb5, 0x1});
|
||||
performTest(0x96, new byte[]{(byte)0x96, 0x1});
|
||||
performTest(0xa1, new byte[]{(byte)0xa1, 0x1});
|
||||
performTest(0x4d50a85d, new byte[]{(byte)0xdd, (byte)0xd0, (byte)0xc2, (byte)0xea, 0x4});
|
||||
performTest(0xc419, new byte[]{(byte)0x99, (byte)0x88, 0x3});
|
||||
performTest(0xcf34, new byte[]{(byte)0xb4, (byte)0x9e, 0x3});
|
||||
performTest(0x527d, new byte[]{(byte)0xfd, (byte)0xa4, 0x1});
|
||||
performTest(0x5a2894, new byte[]{(byte)0x94, (byte)0xd1, (byte)0xe8, 0x2});
|
||||
performTest(0xa6, new byte[]{(byte)0xa6, 0x1});
|
||||
performTest(0x3e05, new byte[]{(byte)0x85, (byte)0xfc, 0x0});
|
||||
performTest(0x5f, new byte[]{(byte)0xdf, 0x0});
|
||||
performTest(0xe2d9af, new byte[]{(byte)0xaf, (byte)0xb3, (byte)0x8b, 0x7});
|
||||
performTest(0xa853fe14, new byte[]{(byte)0x94, (byte)0xfc, (byte)0xcf, (byte)0xc2, 0xa});
|
||||
performTest(0xa853fe14, new byte[]{(byte)0x94, (byte)0xfc, (byte)0xcf, (byte)0xc2, 0x7a});
|
||||
performTest(0x117de731, new byte[]{(byte)0xb1, (byte)0xce, (byte)0xf7, (byte)0x8b, 0x1});
|
||||
performTest(0xb7c9, new byte[]{(byte)0xc9, (byte)0xef, 0x2});
|
||||
performTest(0xb1, new byte[]{(byte)0xb1, 0x1});
|
||||
performTest(0x4f194d, new byte[]{(byte)0xcd, (byte)0xb2, (byte)0xbc, 0x2});
|
||||
performTest(0x8d5733, new byte[]{(byte)0xb3, (byte)0xae, (byte)0xb5, 0x4});
|
||||
performTest(0x2824e9ae, new byte[]{(byte)0xae, (byte)0xd3, (byte)0x93, (byte)0xc1, 0x2});
|
||||
performTest(0x792e, new byte[]{(byte)0xae, (byte)0xf2, 0x1});
|
||||
performTest(0xadef, new byte[]{(byte)0xef, (byte)0xdb, 0x2});
|
||||
performTest(0x5c, new byte[]{(byte)0xdc, 0x0});
|
||||
performTest(0x14f9ccf8, new byte[]{(byte)0xf8, (byte)0x99, (byte)0xe7, (byte)0xa7, 0x1});
|
||||
performTest(0xd1, new byte[]{(byte)0xd1, 0x1});
|
||||
performTest(0xba787ecd, new byte[]{(byte)0xcd, (byte)0xfd, (byte)0xe1, (byte)0xd3, 0x7b});
|
||||
performTest(0x4f, new byte[]{(byte)0xcf, 0x0});
|
||||
performTest(0xfb03, new byte[]{(byte)0x83, (byte)0xf6, 0x3});
|
||||
performTest(0xee3f7cd8, new byte[]{(byte)0xd8, (byte)0xf9, (byte)0xfd, (byte)0xf1, 0x7e});
|
||||
performTest(0x9a6e, new byte[]{(byte)0xee, (byte)0xb4, 0x2});
|
||||
performTest(0x8f0983, new byte[]{(byte)0x83, (byte)0x93, (byte)0xbc, 0x4});
|
||||
performTest(0x3a00e01f, new byte[]{(byte)0x9f, (byte)0xc0, (byte)0x83, (byte)0xd0, 0x3});
|
||||
performTest(0x7f532d93, new byte[]{(byte)0x93, (byte)0xdb, (byte)0xcc, (byte)0xfa, 0x7});
|
||||
performTest(0x179d8d, new byte[]{(byte)0x8d, (byte)0xbb, (byte)0xde, 0x0});
|
||||
performTest(0xfc5, new byte[]{(byte)0xc5, 0x1f});
|
||||
performTest(0x11, new byte[]{0x11});
|
||||
performTest(0xc9b53e8, new byte[]{(byte)0xe8, (byte)0xa7, (byte)0xed, (byte)0xe4, 0x0});
|
||||
performTest(0x97, new byte[]{(byte)0x97, 0x1});
|
||||
performTest(0x52b3, new byte[]{(byte)0xb3, (byte)0xa5, 0x1});
|
||||
performTest(0x92, new byte[]{(byte)0x92, 0x1});
|
||||
performTest(0xd2, new byte[]{(byte)0xd2, 0x1});
|
||||
performTest(0x13d330, new byte[]{(byte)0xb0, (byte)0xa6, (byte)0xcf, 0x0});
|
||||
performTest(0x672f41, new byte[]{(byte)0xc1, (byte)0xde, (byte)0x9c, 0x3});
|
||||
performTest(0xcf, new byte[]{(byte)0xcf, 0x1});
|
||||
performTest(0x54ddb6dd, new byte[]{(byte)0xdd, (byte)0xed, (byte)0xf6, (byte)0xa6, 0x5});
|
||||
performTest(0x7ebcae, new byte[]{(byte)0xae, (byte)0xf9, (byte)0xfa, 0x3});
|
||||
performTest(0x38, new byte[]{0x38});
|
||||
performTest(0x8118f4e7, new byte[]{(byte)0xe7, (byte)0xe9, (byte)0xe3, (byte)0x88, 0x78});
|
||||
performTest(0xac, new byte[]{(byte)0xac, 0x1});
|
||||
performTest(0xab309c, new byte[]{(byte)0x9c, (byte)0xe1, (byte)0xac, 0x5});
|
||||
performTest(0x1bf9b2, new byte[]{(byte)0xb2, (byte)0xf3, (byte)0xef, 0x0});
|
||||
performTest(0x8b3c70, new byte[]{(byte)0xf0, (byte)0xf8, (byte)0xac, 0x4});
|
||||
performTest(0x7774, new byte[]{(byte)0xf4, (byte)0xee, 0x1});
|
||||
performTest(0x33e839, new byte[]{(byte)0xb9, (byte)0xd0, (byte)0xcf, 0x1});
|
||||
performTest(0x84d655a0, new byte[]{(byte)0xa0, (byte)0xab, (byte)0xd9, (byte)0xa6, 0x78});
|
||||
performTest(0xf3543ef3, new byte[]{(byte)0xf3, (byte)0xfd, (byte)0xd0, (byte)0x9a, 0x7f});
|
||||
performTest(0x1d777e, new byte[]{(byte)0xfe, (byte)0xee, (byte)0xf5, 0x0});
|
||||
performTest(0xf7, new byte[]{(byte)0xf7, 0x1});
|
||||
performTest(0x2444, new byte[]{(byte)0xc4, (byte)0xc8, 0x0});
|
||||
performTest(0x536b, new byte[]{(byte)0xeb, (byte)0xa6, 0x1});
|
||||
performTest(0xa8, new byte[]{(byte)0xa8, 0x1});
|
||||
performTest(0xdbfc, new byte[]{(byte)0xfc, (byte)0xb7, 0x3});
|
||||
performTest(0xe66db7, new byte[]{(byte)0xb7, (byte)0xdb, (byte)0x99, 0x7});
|
||||
performTest(0xb7ca, new byte[]{(byte)0xca, (byte)0xef, 0x2});
|
||||
performTest(0xe807d0e5, new byte[]{(byte)0xe5, (byte)0xa1, (byte)0x9f, (byte)0xc0, 0x7e});
|
||||
performTest(0x6a4, new byte[]{(byte)0xa4, 0xd});
|
||||
performTest(0x64, new byte[]{(byte)0xe4, 0x0});
|
||||
performTest(0xf3fb75, new byte[]{(byte)0xf5, (byte)0xf6, (byte)0xcf, 0x7});
|
||||
performTest(0xb72cb6b9, new byte[]{(byte)0xb9, (byte)0xed, (byte)0xb2, (byte)0xb9, 0x7b});
|
||||
performTest(0xfd, new byte[]{(byte)0xfd, 0x1});
|
||||
performTest(0xb48b, new byte[]{(byte)0x8b, (byte)0xe9, 0x2});
|
||||
performTest(0x39c3, new byte[]{(byte)0xc3, (byte)0xf3, 0x0});
|
||||
performTest(0x12b8afbd, new byte[]{(byte)0xbd, (byte)0xdf, (byte)0xe2, (byte)0x95, 0x1});
|
||||
performTest(0x56f149, new byte[]{(byte)0xc9, (byte)0xe2, (byte)0xdb, 0x2});
|
||||
performTest(0xbf, new byte[]{(byte)0xbf, 0x1});
|
||||
performTest(0x3ac72481, new byte[]{(byte)0x81, (byte)0xc9, (byte)0x9c, (byte)0xd6, 0x3});
|
||||
performTest(0xb69ca721, new byte[]{(byte)0xa1, (byte)0xce, (byte)0xf2, (byte)0xb4, 0x7b});
|
||||
performTest(0x2380, new byte[]{(byte)0x80, (byte)0xc7, 0x0});
|
||||
performTest(0x656268, new byte[]{(byte)0xe8, (byte)0xc4, (byte)0x95, 0x3});
|
||||
performTest(0x71, new byte[]{(byte)0xf1, 0x0});
|
||||
performTest(0xf06425, new byte[]{(byte)0xa5, (byte)0xc8, (byte)0xc1, 0x7});
|
||||
performTest(0xb587cb, new byte[]{(byte)0xcb, (byte)0x8f, (byte)0xd6, 0x5});
|
||||
performTest(0x8742, new byte[]{(byte)0xc2, (byte)0x8e, 0x2});
|
||||
performTest(0xc6, new byte[]{(byte)0xc6, 0x1});
|
||||
performTest(0xee62789f, new byte[]{(byte)0x9f, (byte)0xf1, (byte)0x89, (byte)0xf3, 0x7e});
|
||||
performTest(0x470a, new byte[]{(byte)0x8a, (byte)0x8e, 0x1});
|
||||
performTest(0x11ef5cdc, new byte[]{(byte)0xdc, (byte)0xb9, (byte)0xbd, (byte)0x8f, 0x1});
|
||||
performTest(0xc44ea9, new byte[]{(byte)0xa9, (byte)0x9d, (byte)0x91, 0x6});
|
||||
performTest(0x94477f78, new byte[]{(byte)0xf8, (byte)0xfe, (byte)0x9d, (byte)0xa2, 0x79});
|
||||
performTest(0xe47a0b4f, new byte[]{(byte)0xcf, (byte)0x96, (byte)0xe8, (byte)0xa3, 0x7e});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSleb128Failure() {
|
||||
// test the case when the MSB of the last byte is set
|
||||
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x82, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x87, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x97, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xc7, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xf7, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x88, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x8e, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x8f, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xff, 0x11});
|
||||
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x81, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x82, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x87, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x97, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xc7, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xf7, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x88, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x8e, 0x11});
|
||||
performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x11});
|
||||
}
|
||||
|
||||
private void performTest(int expectedValue, byte[] buf) {
|
||||
performTest(expectedValue, buf, buf.length);
|
||||
}
|
||||
|
||||
private void performTest(int expectedValue, byte[] buf, int expectedLength) {
|
||||
DexFileBuffer dexFile = new DexFileBuffer(buf);
|
||||
DexFileReader reader = dexFile.readerAt(0);
|
||||
Assert.assertEquals(expectedValue, reader.readSleb128());
|
||||
Assert.assertEquals(expectedLength, reader.getOffset());
|
||||
}
|
||||
|
||||
private void performFailureTest(byte[] buf) {
|
||||
DexFileBuffer dexFile = new DexFileBuffer(buf);
|
||||
DexFileReader reader = dexFile.readerAt(0);
|
||||
try {
|
||||
reader.readSleb128();
|
||||
Assert.fail();
|
||||
} catch (ExceptionWithContext ex) {
|
||||
// expected exception
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user