/*
* Copyright 2008 Google Inc.
*
* 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 com.google.gwt.dev.jjs.impl.codesplitter;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.dev.javac.testing.impl.MockJavaResource;
import com.google.gwt.dev.jjs.ast.JProgram;
import com.google.gwt.dev.jjs.impl.JJSTestBase;
import com.google.gwt.dev.util.UnitTestTreeLogger;
/**
* Tests the error messages generated by {@link ReplaceRunAsyncs}.
*/
public class ReplaceRunAsyncsErrorMessagesTest extends JJSTestBase {
private UnitTestTreeLogger.Builder testLoggerBuilder;
@Override
public void setUp() {
addCommonTestCode();
initializeTestLoggerBuilder();
}
public void testAmbiguousClassLiteral() {
sourceOracle.addOrReplace(new MockJavaResource("test.SplitPoint3") {
@Override
public CharSequence getContent() {
StringBuilder code = new StringBuilder();
code.append("package test;\n");
code.append("import com.google.gwt.core.client.GWT;\n");
code.append("public class SplitPoint3 {\n");
code.append(" void doStuff() {\n");
// Intentionally reuse SplitPoint1.class
code.append(" GWT.runAsync(SplitPoint1.class, null);\n");
code.append(" }\n");
code.append("}\n");
return code;
}
});
addSnippetImport("test.SplitPoint3");
expectError("Errors in 'test/EntryPoint.java'");
expectError("Line 8: Multiple runAsync calls are named test.SplitPoint1");
expectError("One call is at 'test/SplitPoint1.java:5'");
expectError("One call is at 'test/SplitPoint3.java:5'");
testSnippet("RunAsyncCode.runAsyncCode(SplitPoint1.class);");
}
public void testMissingOnSuccess() {
sourceOracle.addOrReplace(new MockJavaResource("test.SplitPoint4") {
@Override
public CharSequence getContent() {
StringBuilder code = new StringBuilder();
code.append("package test;\n");
code.append("import com.google.gwt.core.client.GWT;\n");
code.append("import com.google.gwt.core.client.RunAsyncCallback;\n");
code.append("public class SplitPoint4 {\n");
code.append(
" public abstract class AbstractRunAsyncCallback implements RunAsyncCallback {\n");
code.append(" public void run() {\n");
code.append(" GWT.runAsync(this);\n");
code.append(" }\n");
code.append(" }\n");
code.append("}\n");
return code;
}
});
addSnippetImport("test.SplitPoint4");
expectError("Errors in 'test/SplitPoint4.java'");
expectError("Line 7: Only a RunAsyncCallback with a defined onSuccess() can "
+ "be passed to runAsync().");
testSnippet("new SplitPoint4();");
}
public void testNonClassLiteral() {
expectError("Errors in 'test/EntryPoint.java'");
expectError("Line 7: Only a class literal may be passed to runAsyncCode");
testSnippet("RunAsyncCode.runAsyncCode(new SplitPoint1().getClass());");
}
public void testNonExistentSplitPoint() {
expectError("Errors in 'test/EntryPoint.java'");
expectError("Line 7: No runAsync call is named java.lang.String");
testSnippet("RunAsyncCode.runAsyncCode(String.class);");
}
private void addCommonTestCode() {
addSnippetImport("com.google.gwt.core.client.prefetch.RunAsyncCode");
sourceOracle.addOrReplace(new MockJavaResource("test.SplitPoint1") {
@Override
public CharSequence getContent() {
StringBuilder code = new StringBuilder();
code.append("package test;\n");
code.append("import com.google.gwt.core.client.GWT;\n");
code.append("public class SplitPoint1 {\n");
code.append(" void doStuff() {\n");
code.append(" GWT.runAsync(SplitPoint1.class, null);\n");
code.append(" }\n");
code.append("}\n");
return code;
}
});
addSnippetImport("test.SplitPoint1");
sourceOracle.addOrReplace(new MockJavaResource("test.SplitPoint2") {
@Override
public CharSequence getContent() {
StringBuilder code = new StringBuilder();
code.append("package test;\n");
code.append("import com.google.gwt.core.client.GWT;\n");
code.append("public class SplitPoint2 {\n");
code.append(" void doStuff() {\n");
code.append(" GWT.runAsync(SplitPoint2.class, null);\n");
code.append(" }\n");
code.append("}\n");
return code;
}
});
addSnippetImport("test.SplitPoint2");
}
private void expectError(String msg) {
testLoggerBuilder.expectError(msg, null);
}
private void initializeTestLoggerBuilder() {
testLoggerBuilder = new UnitTestTreeLogger.Builder();
testLoggerBuilder.setLowestLogLevel(TreeLogger.ERROR);
}
private void testSnippet(String codeSnippet) {
UnitTestTreeLogger testLogger = testLoggerBuilder.createLogger();
logger = testLogger;
try {
JProgram program = compileSnippet("void", codeSnippet);
ReplaceRunAsyncs.exec(logger, program);
fail("Expected a compile error");
} catch (UnableToCompleteException e) {
// expected
}
testLogger.assertCorrectLogEntries();
}
}