Merge "Avoid the term obfuscation"
diff --git a/src/test/examples/shaking1/print-mapping-cf.ref b/src/test/examples/shaking1/print-mapping-cf.ref
new file mode 100644
index 0000000..9bf8013
--- /dev/null
+++ b/src/test/examples/shaking1/print-mapping-cf.ref
@@ -0,0 +1,7 @@
+shaking1.Shaking -> shaking1.Shaking:
+shaking1.Used -> a.a:
+ java.lang.String name -> a
+ 1:1:java.lang.String method():17:17 -> a
+ 1:1:void main(java.lang.String[]):8:8 -> main
+ 1:2:void <init>(java.lang.String):12:13 -> <init>
+ 1:1:java.lang.String aMethodThatIsNotUsedButKept():21:21 -> aMethodThatIsNotUsedButKept
diff --git a/src/test/java/com/android/tools/r8/shaking/TreeShakingSpecificTest.java b/src/test/java/com/android/tools/r8/shaking/TreeShakingSpecificTest.java
index cba8686..ad67919 100644
--- a/src/test/java/com/android/tools/r8/shaking/TreeShakingSpecificTest.java
+++ b/src/test/java/com/android/tools/r8/shaking/TreeShakingSpecificTest.java
@@ -14,12 +14,15 @@
import com.android.tools.r8.R8Command;
import com.android.tools.r8.ToolHelper;
import java.io.BufferedReader;
+import java.io.IOException;
import java.io.PrintStream;
import java.io.StringReader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.Collection;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.junit.Assert;
@@ -27,8 +30,28 @@
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+@RunWith(Parameterized.class)
public class TreeShakingSpecificTest {
+ enum Backend {
+ DEX,
+ CF
+ }
+
+ private Backend backend;
+
+ @Parameters(name = "Backend: {0}")
+ public static Collection<Backend> data() {
+ return Arrays.asList(Backend.values());
+ }
+
+ public TreeShakingSpecificTest(Backend backend) {
+ this.backend = backend;
+ }
+
private static final String VALID_PROGUARD_DIR = "src/test/proguard/valid/";
@Rule
@@ -37,18 +60,28 @@
@Rule
public ExpectedException thrown = ExpectedException.none();
+ private void finishBuild(R8Command.Builder builder, Path out, String test) throws IOException {
+ Path input;
+ if (backend == Backend.DEX) {
+ builder.setOutput(out, OutputMode.DexIndexed);
+ input = Paths.get(EXAMPLES_BUILD_DIR, test, "classes.dex");
+ } else {
+ builder.setOutput(out, OutputMode.ClassFile);
+ input = Paths.get(EXAMPLES_BUILD_DIR, test + ".jar");
+ }
+ ToolHelper.getAppBuilder(builder).addProgramFiles(input);
+ }
+
@Test
public void testIgnoreWarnings() throws Exception {
// Generate R8 processed version without library option.
Path out = temp.getRoot().toPath();
String test = "shaking2";
- Path originalDex = Paths.get(EXAMPLES_BUILD_DIR, test, "classes.dex");
Path keepRules = Paths.get(EXAMPLES_DIR, test, "keep-rules.txt");
Path ignoreWarnings = Paths.get(VALID_PROGUARD_DIR, "ignorewarnings.flags");
R8Command.Builder builder = R8Command.builder()
- .setOutput(out, OutputMode.DexIndexed)
.addProguardConfigurationFiles(keepRules, ignoreWarnings);
- ToolHelper.getAppBuilder(builder).addProgramFiles(originalDex);
+ finishBuild(builder, out, test);
R8.run(builder.build());
}
@@ -57,7 +90,6 @@
// Generate R8 processed version without library option.
Path out = temp.getRoot().toPath();
String test = "shaking2";
- Path originalDex = Paths.get(EXAMPLES_BUILD_DIR, test, "classes.dex");
Path keepRules = Paths.get(EXAMPLES_DIR, test, "keep-rules.txt");
DiagnosticsHandler handler = new DiagnosticsHandler() {
@Override
@@ -68,9 +100,8 @@
}
};
R8Command.Builder builder = R8Command.builder(handler)
- .setOutput(out, OutputMode.DexIndexed)
.addProguardConfigurationFiles(keepRules);
- ToolHelper.getAppBuilder(builder).addProgramFiles(originalDex);
+ finishBuild(builder, out, test);
R8.run(builder.build());
}
@@ -79,7 +110,6 @@
// Generate R8 processed version without library option.
String test = "shaking1";
Path out = temp.getRoot().toPath();
- Path originalDex = Paths.get(EXAMPLES_BUILD_DIR, test, "classes.dex");
Path keepRules = Paths.get(EXAMPLES_DIR, test, "keep-rules.txt");
// Create a flags file in temp dir requesting dump of the mapping.
@@ -90,10 +120,15 @@
}
R8Command.Builder builder = R8Command.builder()
- .setOutput(out, OutputMode.DexIndexed)
.addProguardConfigurationFiles(keepRules, printMapping);
- ToolHelper.getAppBuilder(builder).addProgramFiles(originalDex);
// Turn off inlining, as we want the mapping that is printed to be stable.
+ finishBuild(builder, out, test);
+ if (backend == Backend.DEX) {
+ builder.addLibraryFiles(ToolHelper.getDefaultAndroidJar());
+ } else {
+ assert backend == Backend.CF;
+ builder.addLibraryFiles(ToolHelper.getJava8RuntimeJar());
+ }
ToolHelper.runR8(builder.build(), options -> options.enableInlining = false);
Path outputmapping = out.resolve("mapping.txt");
@@ -102,8 +137,15 @@
Stream.of(new String(Files.readAllBytes(outputmapping), StandardCharsets.UTF_8).split("\n"))
.filter(line -> !line.startsWith("#"))
.collect(Collectors.joining("\n"));
- String refMapping = new String(Files.readAllBytes(
- Paths.get(EXAMPLES_DIR, "shaking1", "print-mapping.ref")), StandardCharsets.UTF_8);
+ // For the CF backend we treat ConstString/LDC as a (potentially always) throwing instruction,
+ // as opposed to the DEX backend where it's throwing only if its string is ill-formed.
+ // When ConstString is throwing we preserve its position which makes it show up in the
+ // the output Proguard map. That's why the reference CF map is different from the DEX one.
+ String mapping_ref = backend == Backend.CF ? "print-mapping-cf.ref" : "print-mapping.ref";
+ String refMapping =
+ new String(
+ Files.readAllBytes(Paths.get(EXAMPLES_DIR, "shaking1", mapping_ref)),
+ StandardCharsets.UTF_8);
Assert.assertEquals(sorted(refMapping), sorted(actualMapping));
}
