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Unit tests for payload alignment. Also, typo correction.

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This commit is contained in:
Izzat Bahadirov 2013-03-25 14:07:58 -04:00
parent e7ab4b681b
commit add494945d
1 changed files with 63 additions and 2 deletions
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65
dexlib2/src/test/java/org/jf/dexlib2/writer/JumboStringConversionTest.java
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@ -249,7 +249,7 @@ public class JumboStringConversionTest {
if (instr instanceof PackedSwitchPayload) {
PackedSwitchPayload instruction = (PackedSwitchPayload) instr;
for (SwitchElement switchElement: instruction.getSwitchElements()) {
Assert.assertEquals("packed switch payload affset was not modified properly", switchElement.getOffset(), 6);
Assert.assertEquals("packed switch payload offset was not modified properly", switchElement.getOffset(), 6);
}
break;
}
@ -270,10 +270,71 @@ public class JumboStringConversionTest {
if (instr instanceof SparseSwitchPayload) {
SparseSwitchPayload instruction = (SparseSwitchPayload) instr;
for (SwitchElement switchElement: instruction.getSwitchElements()) {
Assert.assertEquals("packed switch payload affset was not modified properly", switchElement.getOffset(), 6);
Assert.assertEquals("packed switch payload offset was not modified properly", switchElement.getOffset(), 6);
}
break;
}
}
}
@Test
public void testArrayPayloadAlignment() {
ArrayList<ImmutableInstruction> instructions = createSimpleInstructionList();
// add misaligned array payload
ImmutableInstruction10x nopInstr = new ImmutableInstruction10x(Opcode.NOP);
instructions.add(nopInstr);
ImmutableArrayPayload arrayPayload = new ImmutableArrayPayload(4, null);
instructions.add(arrayPayload);
ImmutableMethodImplementation methodImplementation = new ImmutableMethodImplementation(1, instructions, null, null);
InstructionWriteUtil writeUtil = new InstructionWriteUtil(methodImplementation, mStringPool);
int codeOffset = 0;
for (Instruction instr: writeUtil.getInstructions()) {
if (codeOffset == 21) {
Assert.assertEquals("array payload was not aligned properly", instr.getOpcode(), Opcode.NOP);
}
codeOffset += instr.getCodeUnits();
}
}
@Test
public void testPackedSwitchAlignment() {
ArrayList<ImmutableInstruction> instructions = createSimpleInstructionList();
// packed switch instruction is already misaligned
ImmutableMethodImplementation methodImplementation = new ImmutableMethodImplementation(1, instructions, null, null);
InstructionWriteUtil writeUtil = new InstructionWriteUtil(methodImplementation, mStringPool);
int codeOffset = 0;
for (Instruction instr: writeUtil.getInstructions()) {
if (codeOffset == 7) {
Assert.assertEquals("packed switch payload was not aligned properly", instr.getOpcode(), Opcode.NOP);
}
codeOffset += instr.getCodeUnits();
}
}
@Test
public void testSparseSwitchAlignment() {
ArrayList<ImmutableInstruction> instructions = createSimpleInstructionList();
// insert a nop to mis-align sparse switch payload
ImmutableInstruction10x nopInstr = new ImmutableInstruction10x(Opcode.NOP);
instructions.add(4, nopInstr);
ImmutableMethodImplementation methodImplementation = new ImmutableMethodImplementation(1, instructions, null, null);
InstructionWriteUtil writeUtil = new InstructionWriteUtil(methodImplementation, mStringPool);
int codeOffset = 0;
for (Instruction instr: writeUtil.getInstructions()) {
if (codeOffset == 15) {
Assert.assertEquals("packed switch payload was not aligned properly", instr.getOpcode(), Opcode.NOP);
}
codeOffset += instr.getCodeUnits();
}
}
}