diff --git a/java/Android.bp b/java/Android.bp index 8835b4456..c0629414e 100644 --- a/java/Android.bp +++ b/java/Android.bp @@ -44,6 +44,7 @@ bootstrap_go_package { "dexpreopt_config.go", "droiddoc.go", "droidstubs.go", + "fuzz.go", "gen.go", "genrule.go", "hiddenapi.go", diff --git a/java/fuzz.go b/java/fuzz.go new file mode 100644 index 000000000..f72bfffd2 --- /dev/null +++ b/java/fuzz.go @@ -0,0 +1,72 @@ +// Copyright 2021 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package java + +import ( + "github.com/google/blueprint/proptools" + + "android/soong/android" + "android/soong/fuzz" +) + +func init() { + RegisterJavaFuzzBuildComponents(android.InitRegistrationContext) +} + +func RegisterJavaFuzzBuildComponents(ctx android.RegistrationContext) { + ctx.RegisterModuleType("java_fuzz_host", FuzzFactory) +} + +type JavaFuzzLibrary struct { + Library + fuzzPackagedModule fuzz.FuzzPackagedModule +} + +func (j *JavaFuzzLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) { + j.Library.GenerateAndroidBuildActions(ctx) + + if j.fuzzPackagedModule.FuzzProperties.Corpus != nil { + j.fuzzPackagedModule.Corpus = android.PathsForModuleSrc(ctx, j.fuzzPackagedModule.FuzzProperties.Corpus) + } + if j.fuzzPackagedModule.FuzzProperties.Data != nil { + j.fuzzPackagedModule.Data = android.PathsForModuleSrc(ctx, j.fuzzPackagedModule.FuzzProperties.Data) + } + if j.fuzzPackagedModule.FuzzProperties.Dictionary != nil { + j.fuzzPackagedModule.Dictionary = android.PathForModuleSrc(ctx, *j.fuzzPackagedModule.FuzzProperties.Dictionary) + } + + if j.fuzzPackagedModule.FuzzProperties.Fuzz_config != nil { + configPath := android.PathForModuleOut(ctx, "config").Join(ctx, "config.json") + android.WriteFileRule(ctx, configPath, j.fuzzPackagedModule.FuzzProperties.Fuzz_config.String()) + j.fuzzPackagedModule.Config = configPath + } +} + +// java_fuzz builds and links sources into a `.jar` file for the host. +// +// By default, a java_fuzz produces a `.jar` file containing `.class` files. +// This jar is not suitable for installing on a device. +func FuzzFactory() android.Module { + module := &JavaFuzzLibrary{} + + module.addHostProperties() + module.Module.properties.Installable = proptools.BoolPtr(false) + module.AddProperties(&module.fuzzPackagedModule.FuzzProperties) + + module.initModuleAndImport(module) + android.InitSdkAwareModule(module) + InitJavaModule(module, android.HostSupported) + return module +} diff --git a/java/fuzz_test.go b/java/fuzz_test.go new file mode 100644 index 000000000..cf063ebe2 --- /dev/null +++ b/java/fuzz_test.go @@ -0,0 +1,65 @@ +// Copyright 2021 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package java + +import ( + "android/soong/android" + "path/filepath" + "testing" +) + +var prepForJavaFuzzTest = android.GroupFixturePreparers( + PrepareForTestWithJavaDefaultModules, + android.FixtureRegisterWithContext(RegisterJavaFuzzBuildComponents), +) + +func TestJavaFuzz(t *testing.T) { + result := prepForJavaFuzzTest.RunTestWithBp(t, ` + java_fuzz_host { + name: "foo", + srcs: ["a.java"], + libs: ["bar"], + static_libs: ["baz"], + } + + java_library_host { + name: "bar", + srcs: ["b.java"], + } + + java_library_host { + name: "baz", + srcs: ["c.java"], + }`) + + osCommonTarget := result.Config.BuildOSCommonTarget.String() + javac := result.ModuleForTests("foo", osCommonTarget).Rule("javac") + combineJar := result.ModuleForTests("foo", osCommonTarget).Description("for javac") + + if len(javac.Inputs) != 1 || javac.Inputs[0].String() != "a.java" { + t.Errorf(`foo inputs %v != ["a.java"]`, javac.Inputs) + } + + baz := result.ModuleForTests("baz", osCommonTarget).Rule("javac").Output.String() + barOut := filepath.Join("out", "soong", ".intermediates", "bar", osCommonTarget, "javac", "bar.jar") + bazOut := filepath.Join("out", "soong", ".intermediates", "baz", osCommonTarget, "javac", "baz.jar") + + android.AssertStringDoesContain(t, "foo classpath", javac.Args["classpath"], barOut) + android.AssertStringDoesContain(t, "foo classpath", javac.Args["classpath"], bazOut) + + if len(combineJar.Inputs) != 2 || combineJar.Inputs[1].String() != baz { + t.Errorf("foo combineJar inputs %v does not contain %q", combineJar.Inputs, baz) + } +}