test: add test for multiple classes in jar

build.gradle.kts

@@ -23,4 +23,7 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
+    testLogging {
+        events("PASSED", "SKIPPED", "FAILED")
+    }
 }

src/test/kotlin/net/revanced/patcher/PatcherTest.kt

@@ -14,7 +14,8 @@ import java.io.PrintStream
 import kotlin.test.Test
 
 internal class PatcherTest {
-    private val testSigs: Array<Signature> = arrayOf(
+    companion object {
+        val testSigs: Array<Signature> = arrayOf(
             // Java:
             // public static void main(String[] args) {
             //     System.out.println("Hello, world!");
@@ -37,6 +38,7 @@ internal class PatcherTest {
                 )
             )
         )
+    }
 
     @Test
     fun testPatcher() {
@@ -127,7 +129,7 @@ internal class PatcherTest {
 
     // TODO Doesn't work, needs to be fixed.
     //@Test
-    //fun noChanges() {
+    //fun `test patcher with no changes`() {
     //    val testData = PatcherTest::class.java.getResourceAsStream("/test1.jar")!!
     //    val available = testData.available()
     //    val patcher = Patcher(testData, testSigs)

src/test/kotlin/net/revanced/patcher/ReaderTest.kt

@@ -0,0 +1,12 @@
+package net.revanced.patcher
+
+import kotlin.test.Test
+
+internal class ReaderTest {
+    @Test
+    fun `read jar containing multiple classes`() {
+        val testData = PatcherTest::class.java.getResourceAsStream("/test2.jar")!!
+        Patcher(testData, PatcherTest.testSigs) // reusing test sigs from PatcherTest
+        testData.close()
+    }
+}