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/*
* Copyright 2008 The Closure Compiler Authors.
*
* 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.javascript.jscomp;
/**
* Tests for {@link ClosureCodeRemoval}
*
* @author robbyw@google.com (Robby Walker)
*/
public class ClosureCodeRemovalTest extends CompilerTestCase {
private static String EXTERNS = "var window;";
public ClosureCodeRemovalTest() {
super(EXTERNS);
}
public void testRemoveAbstract() {
test("function Foo() {}; Foo.prototype.doSomething = goog.abstractMethod;",
"function Foo() {};");
}
public void testRemoveMultiplySetAbstract() {
test("function Foo() {}; Foo.prototype.doSomething = " +
"Foo.prototype.doSomethingElse = Foo.prototype.oneMore = " +
"goog.abstractMethod;",
"function Foo() {};");
}
public void testDoNotRemoveNormal() {
testSame("function Foo() {}; Foo.prototype.doSomething = function() {};");
}
public void testDoNotRemoveOverride() {
test("function Foo() {}; Foo.prototype.doSomething = goog.abstractMethod;" +
"function Bar() {}; goog.inherits(Bar, Foo);" +
"Bar.prototype.doSomething = function() {}",
"function Foo() {}; function Bar() {}; goog.inherits(Bar, Foo);" +
"Bar.prototype.doSomething = function() {}");
}
public void testDoNotRemoveNonQualifiedName() {
testSame("document.getElementById('x').y = goog.abstractMethod;");
}
public void testStopRemovalAtNonQualifiedName() {
test("function Foo() {}; function Bar() {};" +
"Foo.prototype.x = document.getElementById('x').y = Bar.prototype.x" +
" = goog.abstractMethod;",
"function Foo() {}; function Bar() {};" +
"Foo.prototype.x = document.getElementById('x').y = " +
"goog.abstractMethod;");
}
public void testAssertionRemoval1() {
test("var x = goog.asserts.assert(y(), 'message');", "var x = y();");
}
public void testAssertionRemoval2() {
test("goog.asserts.assert(y(), 'message');", "");
}
public void testAssertionRemoval3() {
test("goog.asserts.assert();", "");
}
public void testAssertionRemoval4() {
test("var x = goog.asserts.assert();", "var x = void 0;");
}
@Override
protected ClosureCodeRemoval getProcessor(Compiler compiler) {
return new ClosureCodeRemoval(compiler, true, true);
}
}
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