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// Copyright 2020 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 rust
import (
"strings"
"testing"
"android/soong/android"
)
// Test that coverage flags are being correctly generated.
func TestCoverageFlags(t *testing.T) {
ctx := testRustCov(t, `
rust_library {
name: "libfoo_cov",
srcs: ["foo.rs"],
crate_name: "foo",
}
rust_binary {
name: "fizz_cov",
srcs: ["foo.rs"],
}
rust_binary {
name: "buzzNoCov",
srcs: ["foo.rs"],
native_coverage: false,
}
rust_library {
name: "libbar_nocov",
srcs: ["foo.rs"],
crate_name: "bar",
native_coverage: false,
}`)
// Make sure native_coverage: false isn't creating a coverage variant.
if android.InList("android_arm64_armv8-a_dylib_cov", ctx.ModuleVariantsForTests("libbar_nocov")) {
t.Fatalf("coverage variant created for module 'libbar_nocov' with native coverage disabled")
}
// Just test the dylib variants unless the library coverage logic changes to distinguish between the types.
libfooCov := ctx.ModuleForTests("libfoo_cov", "android_arm64_armv8-a_dylib_cov").Rule("rustc")
libbarNoCov := ctx.ModuleForTests("libbar_nocov", "android_arm64_armv8-a_dylib").Rule("rustc")
fizzCov := ctx.ModuleForTests("fizz_cov", "android_arm64_armv8-a_cov").Rule("rustc")
buzzNoCov := ctx.ModuleForTests("buzzNoCov", "android_arm64_armv8-a").Rule("rustc")
libfooCovLink := ctx.ModuleForTests("libfoo_cov", "android_arm64_armv8-a_dylib_cov").Rule("rustLink")
libbarNoCovLink := ctx.ModuleForTests("libbar_nocov", "android_arm64_armv8-a_dylib").Rule("rustLink")
fizzCovLink := ctx.ModuleForTests("fizz_cov", "android_arm64_armv8-a_cov").Rule("rustLink")
buzzNoCovLink := ctx.ModuleForTests("buzzNoCov", "android_arm64_armv8-a").Rule("rustLink")
rustcCoverageFlags := []string{"-C instrument-coverage", " -g "}
for _, flag := range rustcCoverageFlags {
missingErrorStr := "missing rustc flag '%s' for '%s' module with coverage enabled; rustcFlags: %#v"
containsErrorStr := "contains rustc flag '%s' for '%s' module with coverage disabled; rustcFlags: %#v"
if !strings.Contains(fizzCov.Args["rustcFlags"], flag) {
t.Fatalf(missingErrorStr, flag, "fizz_cov", fizzCov.Args["rustcFlags"])
}
if !strings.Contains(libfooCov.Args["rustcFlags"], flag) {
t.Fatalf(missingErrorStr, flag, "libfoo_cov dylib", libfooCov.Args["rustcFlags"])
}
if strings.Contains(buzzNoCov.Args["rustcFlags"], flag) {
t.Fatalf(containsErrorStr, flag, "buzzNoCov", buzzNoCov.Args["rustcFlags"])
}
if strings.Contains(libbarNoCov.Args["rustcFlags"], flag) {
t.Fatalf(containsErrorStr, flag, "libbar_cov", libbarNoCov.Args["rustcFlags"])
}
}
linkCoverageFlags := []string{"-fprofile-instr-generate=/data/misc/trace/clang-%p-%m.profraw", " -g "}
for _, flag := range linkCoverageFlags {
missingErrorStr := "missing rust linker flag '%s' for '%s' module with coverage enabled; rustcFlags: %#v"
containsErrorStr := "contains rust linker flag '%s' for '%s' module with coverage disabled; rustcFlags: %#v"
if !strings.Contains(fizzCovLink.Args["linkFlags"], flag) {
t.Fatalf(missingErrorStr, flag, "fizz_cov", fizzCovLink.Args["linkFlags"])
}
if !strings.Contains(libfooCovLink.Args["linkFlags"], flag) {
t.Fatalf(missingErrorStr, flag, "libfoo_cov dylib", libfooCovLink.Args["linkFlags"])
}
if strings.Contains(buzzNoCovLink.Args["linkFlags"], flag) {
t.Fatalf(containsErrorStr, flag, "buzzNoCov", buzzNoCovLink.Args["linkFlags"])
}
if strings.Contains(libbarNoCovLink.Args["linkFlags"], flag) {
t.Fatalf(containsErrorStr, flag, "libbar_cov", libbarNoCovLink.Args["linkFlags"])
}
}
}
func TestCoverageDeps(t *testing.T) {
ctx := testRustCov(t, `
rust_binary {
name: "fizz",
srcs: ["foo.rs"],
}`)
fizz := ctx.ModuleForTests("fizz", "android_arm64_armv8-a_cov").Rule("rustLink")
if !strings.Contains(fizz.Args["linkFlags"], "libprofile-clang-extras.a") {
t.Fatalf("missing expected coverage 'libprofile-clang-extras' dependency in linkFlags: %#v", fizz.Args["linkFlags"])
}
}
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