/*
* Copyright 2014 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;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.dev.CompilerContext;
import com.google.gwt.dev.PrecompileTaskOptions;
import com.google.gwt.dev.PrecompileTaskOptionsImpl;
import com.google.gwt.dev.cfg.BindingProperty;
import com.google.gwt.dev.cfg.ConditionNone;
import com.google.gwt.dev.cfg.ConfigurationProperty;
import com.google.gwt.dev.jjs.JsOutputOption;
import com.google.gwt.dev.js.ast.JsFunction;
import com.google.gwt.dev.js.ast.JsName;
import com.google.gwt.dev.js.ast.JsNode;
import com.google.gwt.dev.js.ast.JsProgram;
import com.google.gwt.thirdparty.guava.common.base.Joiner;
import com.google.gwt.thirdparty.guava.common.collect.Iterables;
import com.google.gwt.thirdparty.guava.common.collect.Sets;
import java.util.Set;
/**
* Unit test for {@link GenerateJavaScriptAST}.
*/
public class GenerateJavaScriptAstTest extends FullCompileTestBase {
// Compilation Configuration Properties.
@Override
public void setUp() throws Exception {
// Compilation Configuration Properties.
BindingProperty stackMode = new BindingProperty("compiler.stackMode");
stackMode.addDefinedValue(new ConditionNone(), "STRIP");
setProperties(new BindingProperty[]{stackMode}, new String[]{"STRIP"},
new ConfigurationProperty[]{});
super.setUp();
jsProgram = new JsProgram();
}
public void testInlineJSNIMethod() throws UnableToCompleteException {
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 EntryPoint {\n");
code.append(" public static native void inlinableJSNI() /*-{ $wnd; }-*/; ");
code.append(" public static void functionA() { onModuleLoad(); }\n");
code.append(" public static void onModuleLoad() {\n");
code.append(" inlinableJSNI();");
code.append(" }\n");
code.append("}\n");
Set<JsNode> functionForJsInlining = compileSnippet(code.toString()).getRight();
assertContainsAll(functionForJsInlining, "onModuleLoad", "inlinableJSNI");
assertDoesNotContainsAny(functionForJsInlining, "functionA");
}
private void assertContainsAll(Set<JsNode> functionsForJsInlining,
String... functionNames) {
Set<String> remainingFunctions = Sets.newHashSet(functionNames);
for (JsFunction function : Iterables.filter(functionsForJsInlining, JsFunction.class)) {
JsName name = function.getName();
if (name == null) {
continue;
}
remainingFunctions.remove(name.getShortIdent());
}
assertTrue("{" + (Joiner.on(",").join(remainingFunctions)) + "} marked for consideration in "
+ "JsInliner", remainingFunctions.isEmpty());
}
private void assertDoesNotContainsAny(Set<JsNode> functionsForJsInlining,
String... functionNames) {
Set<String> remainingFunctions = Sets.newHashSet(functionNames);
for (JsFunction function : Iterables.filter(functionsForJsInlining, JsFunction.class)) {
JsName name = function.getName();
if (name == null) {
continue;
}
assertFalse(name.getShortIdent() + " should not be considered for JsInliner",
remainingFunctions.contains(name.getShortIdent()));
}
}
@Override
protected void optimizeJava() {
}
@Override
protected CompilerContext provideCompilerContext() {
PrecompileTaskOptions options = new PrecompileTaskOptionsImpl();
options.setOutput(JsOutputOption.PRETTY);
options.setRunAsyncEnabled(false);
return new CompilerContext.Builder().options(options).build();
}
}