blob: 6211aec4cb1e632921123af4c653d881b283922c [file] [log] [blame]
// 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.smali;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.ToolHelper.ProcessResult;
import com.android.tools.r8.utils.StringUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
public class IfZeroObjectTest extends SmaliTestBase {
public static final String CLASS = "Test";
@Test
public void testObjectIfs() throws Throwable {
ProcessResult result = testIfs("ExpectedToPass", Arrays.asList(
"eqz",
"nez"));
assertEquals(result.toString(), 0, result.exitCode);
}
@Test
public void testNumericIfs() throws Throwable {
ProcessResult result = testIfs("ExpectedToFail", Arrays.asList(
"ltz",
"gez",
"gtz",
"lez"));
assertEquals(result.toString(), 1, result.exitCode);
assertTrue("Did not find 'Verification error' in " + result.stderr,
result.stderr.contains("Verification error") || result.stderr.contains("VerifyError"));
}
private ProcessResult testIfs(String clazz, List<String> ifZeroOps) throws Throwable {
SmaliBuilder builder = new SmaliBuilder(clazz);
for (String ifZeroOp : ifZeroOps) {
builder.addStaticMethod("int", "if" + ifZeroOp, Collections.singletonList("java.lang.Object"),
1,
" if-" + ifZeroOp + " p0, :L",
" const v0, 0",
" return v0",
" :L",
" const v0, 1",
" return v0"
);
}
List<String> main = new ArrayList<>();
main.add(" sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;");
for (String ifZeroOp : ifZeroOps) {
main.add(" invoke-static { p0 }, L" + clazz + ";->if" + ifZeroOp + "(Ljava/lang/Object;)I");
main.add(" move-result v1");
main.add(" invoke-virtual { v0, v1 }, Ljava/io/PrintStream;->print(I)V");
}
main.add(" return-void");
builder.addMainMethod(2, main.toArray(StringUtils.EMPTY_ARRAY));
return runOnArtRaw(builder.build(), clazz);
}
}