| // Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.kotlin; |
| |
| import com.android.tools.r8.graph.DexCode; |
| import com.android.tools.r8.naming.MemberNaming.MethodSignature; |
| import com.android.tools.r8.utils.DexInspector; |
| import com.android.tools.r8.utils.DexInspector.ClassSubject; |
| import com.android.tools.r8.utils.DexInspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class R8KotlinDataClassTest extends AbstractR8KotlinTestBase { |
| |
| private static final KotlinDataClass TEST_DATA_CLASS = new KotlinDataClass("dataclass.Person") |
| .addProperty("name", "java.lang.String") |
| .addProperty("age", "int"); |
| |
| private static final MethodSignature NAME_GETTER_METHOD = |
| TEST_DATA_CLASS.getGetterForProperty("name"); |
| private static final MethodSignature AGE_GETTER_METHOD = |
| TEST_DATA_CLASS.getGetterForProperty("age"); |
| |
| private static final MethodSignature COMPONENT1_METHOD = |
| TEST_DATA_CLASS.getComponentNFunctionForProperty("name"); |
| private static final MethodSignature COMPONENT2_METHOD = |
| TEST_DATA_CLASS.getComponentNFunctionForProperty("age"); |
| private static final MethodSignature COPY_METHOD = TEST_DATA_CLASS.getCopySignature(); |
| private static final MethodSignature COPY_DEFAULT_METHOD = |
| TEST_DATA_CLASS.getCopyDefaultSignature(); |
| |
| public R8KotlinDataClassTest(boolean allowAccessModification) { |
| super(allowAccessModification); |
| } |
| |
| @Parameters(name = "{0}") |
| public static Collection<Object> data() { |
| return ImmutableList.of(Boolean.TRUE, Boolean.FALSE); |
| } |
| |
| @Test |
| public void test_dataclass_gettersOnly() throws Exception { |
| final String mainClassName = "dataclass.MainGettersOnlyKt"; |
| final MethodSignature testMethodSignature = |
| new MethodSignature("testDataClassGetters", "void", Collections.emptyList()); |
| final String extraRules = keepClassMethod(mainClassName, testMethodSignature); |
| runTest("dataclass", mainClassName, extraRules, (app) -> { |
| DexInspector dexInspector = new DexInspector(app); |
| ClassSubject dataClass = checkClassExists(dexInspector, TEST_DATA_CLASS.getClassName()); |
| |
| // Getters should be removed after inlining, which is possible only if access is relaxed. |
| final boolean areGetterPresent = !allowAccessModification; |
| |
| Map<MethodSignature, Boolean> presenceMap = ImmutableMap.<MethodSignature, Boolean>builder() |
| .put(NAME_GETTER_METHOD, areGetterPresent) |
| .put(AGE_GETTER_METHOD, areGetterPresent) |
| // ComponentN and copy methods are not used. |
| .put(COMPONENT1_METHOD, false) |
| .put(COMPONENT2_METHOD, false) |
| .put(COPY_METHOD, false) |
| .put(COPY_DEFAULT_METHOD, false) |
| .build(); |
| checkMethodsPresence(dataClass, presenceMap); |
| |
| ClassSubject classSubject = checkClassExists(dexInspector, mainClassName); |
| MethodSubject testMethod = checkMethodIsPresent(classSubject, testMethodSignature); |
| DexCode dexCode = getDexCode(testMethod); |
| if (allowAccessModification) { |
| // Both getters should be inlined |
| checkMethodIsNeverInvoked(dexCode, NAME_GETTER_METHOD, AGE_GETTER_METHOD); |
| } else { |
| checkMethodIsInvokedAtLeastOnce(dexCode, NAME_GETTER_METHOD, AGE_GETTER_METHOD); |
| } |
| }); |
| } |
| |
| @Test |
| public void test_dataclass_componentOnly() throws Exception { |
| final String mainClassName = "dataclass.MainComponentOnlyKt"; |
| final MethodSignature testMethodSignature = |
| new MethodSignature("testAllDataClassComponentFunctions", "void", Collections.emptyList()); |
| final String extraRules = keepClassMethod(mainClassName, testMethodSignature); |
| runTest("dataclass", mainClassName, extraRules, (app) -> { |
| DexInspector dexInspector = new DexInspector(app); |
| ClassSubject dataClass = checkClassExists(dexInspector, TEST_DATA_CLASS.getClassName()); |
| |
| // ComponentN functions should be removed after inlining, which is possible only if access |
| // is relaxed. |
| final boolean areComponentMethodsPresent = !allowAccessModification; |
| |
| Map<MethodSignature, Boolean> presenceMap = ImmutableMap.<MethodSignature, Boolean>builder() |
| .put(NAME_GETTER_METHOD, false) |
| .put(AGE_GETTER_METHOD, false) |
| // ComponentN and copy methods are not used. |
| .put(COMPONENT1_METHOD, areComponentMethodsPresent) |
| .put(COMPONENT2_METHOD, areComponentMethodsPresent) |
| .put(COPY_METHOD, false) |
| .put(COPY_DEFAULT_METHOD, false) |
| .build(); |
| checkMethodsPresence(dataClass, presenceMap); |
| |
| ClassSubject classSubject = checkClassExists(dexInspector, mainClassName); |
| MethodSubject testMethod = checkMethodIsPresent(classSubject, testMethodSignature); |
| DexCode dexCode = getDexCode(testMethod); |
| if (allowAccessModification) { |
| checkMethodIsNeverInvoked(dexCode, COMPONENT1_METHOD, COMPONENT2_METHOD); |
| } else { |
| checkMethodIsInvokedAtLeastOnce(dexCode, COMPONENT1_METHOD, COMPONENT2_METHOD); |
| } |
| }); |
| } |
| |
| @Test |
| public void test_dataclass_componentPartial() throws Exception { |
| final String mainClassName = "dataclass.MainComponentPartialKt"; |
| final MethodSignature testMethodSignature = |
| new MethodSignature("testSomeDataClassComponentFunctions", "void", Collections.emptyList()); |
| final String extraRules = keepClassMethod(mainClassName, testMethodSignature); |
| runTest("dataclass", mainClassName, extraRules, (app) -> { |
| DexInspector dexInspector = new DexInspector(app); |
| ClassSubject dataClass = checkClassExists(dexInspector, TEST_DATA_CLASS.getClassName()); |
| |
| boolean component2IsPresent = !allowAccessModification; |
| |
| Map<MethodSignature, Boolean> presenceMap = ImmutableMap.<MethodSignature, Boolean>builder() |
| .put(NAME_GETTER_METHOD, false) |
| .put(AGE_GETTER_METHOD, false) |
| // ComponentN and copy methods are not used. |
| .put(COMPONENT1_METHOD, false) |
| .put(COMPONENT2_METHOD, component2IsPresent) |
| .put(COPY_METHOD, false) |
| .put(COPY_DEFAULT_METHOD, false) |
| .build(); |
| checkMethodsPresence(dataClass, presenceMap); |
| |
| ClassSubject classSubject = checkClassExists(dexInspector, mainClassName); |
| MethodSubject testMethod = checkMethodIsPresent(classSubject, testMethodSignature); |
| DexCode dexCode = getDexCode(testMethod); |
| if (allowAccessModification) { |
| checkMethodIsNeverInvoked(dexCode, COMPONENT2_METHOD); |
| } else { |
| checkMethodIsInvokedAtLeastOnce(dexCode, COMPONENT2_METHOD); |
| } |
| }); |
| } |
| |
| @Test |
| public void test_dataclass_copy() throws Exception { |
| final String mainClassName = "dataclass.MainCopyKt"; |
| runTest("dataclass", mainClassName, (app) -> { |
| DexInspector dexInspector = new DexInspector(app); |
| ClassSubject dataClass = checkClassExists(dexInspector, TEST_DATA_CLASS.getClassName()); |
| |
| // Copy method is small enough that it is always inlined. |
| final boolean copyMethodIsPresent = false; |
| |
| Map<MethodSignature, Boolean> presenceMap = ImmutableMap.<MethodSignature, Boolean>builder() |
| .put(COPY_METHOD, copyMethodIsPresent) |
| .put(COPY_DEFAULT_METHOD, false) |
| .build(); |
| checkMethodsPresence(dataClass, presenceMap); |
| }); |
| } |
| |
| @Test |
| public void test_dataclass_copyDefault() throws Exception { |
| final String mainClassName = "dataclass.MainCopyWithDefaultKt"; |
| final MethodSignature testMethodSignature = |
| new MethodSignature("testDataClassCopyWithDefault", "void", Collections.emptyList()); |
| final String extraRules = keepClassMethod(mainClassName, testMethodSignature); |
| runTest("dataclass", mainClassName, extraRules, (app) -> { |
| DexInspector dexInspector = new DexInspector(app); |
| ClassSubject dataClass = checkClassExists(dexInspector, TEST_DATA_CLASS.getClassName()); |
| |
| // Copy$default method is inlined if access is relaxed. |
| final boolean copyDefaultMethodIsPresent = !allowAccessModification; |
| |
| // copy$default is a wrapper around copy to deal with default values. If it's inlined thus |
| // copy is inlined as well. |
| final boolean copyMethodIsPresent = copyDefaultMethodIsPresent; |
| |
| Map<MethodSignature, Boolean> presenceMap = ImmutableMap.<MethodSignature, Boolean>builder() |
| .put(COPY_DEFAULT_METHOD, copyDefaultMethodIsPresent) |
| .put(COPY_METHOD, copyMethodIsPresent) |
| .build(); |
| checkMethodsPresence(dataClass, presenceMap); |
| |
| if (copyDefaultMethodIsPresent) { |
| ClassSubject classSubject = checkClassExists(dexInspector, mainClassName); |
| MethodSubject testMethod = checkMethodIsPresent(classSubject, testMethodSignature); |
| DexCode dexCode = getDexCode(testMethod); |
| checkMethodIsInvokedAtLeastOnce(dexCode, COPY_DEFAULT_METHOD); |
| } |
| if (copyMethodIsPresent) { |
| MethodSubject testMethod = checkMethod(dataClass, COPY_DEFAULT_METHOD, true); |
| DexCode dexCode = getDexCode(testMethod); |
| checkMethodIsInvokedAtLeastOnce(dexCode, COPY_METHOD); |
| } |
| }); |
| } |
| |
| } |