64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright 2011 The Closure Compiler Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.javascript.jscomp;
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import com.google.javascript.rhino.Node;
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/**
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* Unit tests for {#link {@link OptimizeCalls}
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*
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*/
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public class OptimizeCallsTest extends CompilerTestCase {
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@Override
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protected CompilerPass getProcessor(final Compiler compiler) {
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final OptimizeCalls passes = new OptimizeCalls(compiler);
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passes.addPass(new OptimizeReturns(compiler));
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passes.addPass(new OptimizeParameters(compiler));
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passes.addPass(new RemoveUnusedVars(compiler, true, false, true));
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return new CompilerPass() {
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@Override
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public void process(Node externs, Node root) {
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new PureFunctionIdentifier(compiler,
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new SimpleDefinitionFinder(compiler)).process(externs, root);
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passes.process(externs, root);
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}
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};
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}
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public void testRemovingReturnCallToFunctionWithUnusedParams() {
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test("function foo() {var x; return x = bar(1)} foo(); function bar(x) {}",
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"function foo() { bar(); return;} foo(); function bar() {}");
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}
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public void testNestingFunctionCallWithUnsedParams() {
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test("function f1(x) { } function f2(x) { }" +
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"function f3(x) { } function f4(x) { }" +
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"f3(f1(f2()));",
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"function f1() {f2()} function f2() { }" +
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"function f3() {f1()} " +
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"f3();"
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);
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}
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public void testUnusedAssignOnFunctionWithUnusedParams() {
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test("var foo = function(a){}; function bar(){var x;x = foo} bar(); foo(1)",
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"var foo = function( ){}; function bar(){ } bar(); foo()");
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}
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}
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