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feat: add missing test for fields

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Signed-off-by: oSumAtrIX <johan.melkonyan1@web.de>
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oSumAtrIX 2022-04-13 02:59:06 +02:00
parent 8daf877fac
commit 4022b8b847
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1 changed files with 34 additions and 22 deletions
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56
src/test/kotlin/app/revanced/patcher/PatcherTest.kt
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@ -6,17 +6,22 @@ import app.revanced.patcher.extensions.or
import app.revanced.patcher.patch.Patch
import app.revanced.patcher.patch.PatchResult
import app.revanced.patcher.patch.PatchResultSuccess
import app.revanced.patcher.proxy.mutableTypes.MutableField.Companion.toMutable
import app.revanced.patcher.proxy.mutableTypes.MutableMethod.Companion.toMutable
import app.revanced.patcher.signature.MethodSignature
import app.revanced.patcher.smali.asInstruction
import app.revanced.patcher.smali.asInstructions
import com.google.common.collect.ImmutableList
import org.jf.dexlib2.AccessFlags
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.builder.instruction.BuilderInstruction11x
import org.jf.dexlib2.builder.instruction.BuilderInstruction21c
import org.jf.dexlib2.immutable.ImmutableField
import org.jf.dexlib2.immutable.ImmutableMethod
import org.jf.dexlib2.immutable.ImmutableMethodImplementation
import org.jf.dexlib2.immutable.reference.ImmutableFieldReference
import org.jf.dexlib2.immutable.reference.ImmutableStringReference
import org.jf.dexlib2.immutable.value.ImmutableFieldEncodedValue
import org.junit.jupiter.api.Test
import java.io.File
import kotlin.test.assertTrue
@ -107,11 +112,36 @@ internal class PatcherTest {
).toMutable()
)
// Now lets create a new call to our method and print the return value!
// Add a field in the main class
// We will use this field in our method below to call println on
// The field holds the Ljava/io/PrintStream->out; field
mainClass.fields.add(
ImmutableField(
mainClass.type,
"dummyField",
"Ljava/io/PrintStream;",
AccessFlags.PRIVATE or AccessFlags.STATIC,
ImmutableFieldEncodedValue(
ImmutableFieldReference(
"Ljava/lang/System;",
"out",
"Ljava/io/PrintStream;"
)
),
null,
null
).toMutable()
)
// store the fields initial value into the first virtual register
implementation.replaceInstruction(
0,
"sget-object v0, LTestClass;->dummyField:Ljava/io/PrintStream;".asInstruction()
)
// Now let's create a new call to our method and print the return value!
// You can also use the smali compiler to create instructions.
// For this sake of example I reuse the class field System.out inside the virtual register 0.
// Instead an additional instruction could be added at first to re-set this register.
// "sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;"
// For this sake of example I reuse the TestClass field dummyField inside the virtual register 0.
//
// Control flow instructions are not supported as of now.
val instructions = """
@ -121,24 +151,6 @@ internal class PatcherTest {
""".trimIndent().asInstructions()
implementation.addInstructions(startIndex + 2, instructions)
// TODO: check TODO of the MutableEncodedValue class
//mainClass.fields.add(
// ImmutableField(
// mainClass.type,
// "dummyField",
// "Ljava/io/PrintStream",
// AccessFlags.PRIVATE or AccessFlags.STATIC,
// ImmutableFieldEncodedValue(
// ImmutableFieldReference(
// "Ljava/lang/System;",
// "out",
// "Ljava/io/PrintStream;"
// )
// ),
// null
// ).toMutable()
//)
// Finally, tell the patcher that this patch was a success.
// You can also return PatchResultError with a message.
// If an exception is thrown inside this function,