132 lines
3.7 KiB
Java
132 lines
3.7 KiB
Java
/*
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* Copyright 2008 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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/**
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* Tests for {@link CollapseAnonymousFunctions}
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*
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*/
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public class CollapseAnonymousFunctionsTest extends CompilerTestCase {
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public CollapseAnonymousFunctionsTest() {
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this.enableNormalize();
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}
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@Override
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protected CompilerPass getProcessor(Compiler compiler) {
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return new CollapseAnonymousFunctions(compiler);
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}
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public void testGlobalScope() {
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test("var f = function(){}", "function f(){}");
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}
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public void testLocalScope1() {
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test("function f(){ var x = function(){}; x() }",
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"function f(){ function x(){} x() }");
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}
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public void testLocalScope2() {
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test("function f(){ var x = function(){}; return x }",
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"function f(){ function x(){} return x }");
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}
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public void testVarNotImmediatelyBelowScriptOrBlock1() {
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testSame("if (x) var f = function(){}");
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}
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public void testVarNotImmediatelyBelowScriptOrBlock2() {
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testSame("var x = 1;" +
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"if (x == 1) {" +
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" var f = function () { alert('b')}" +
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"} else {" +
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" f = function() { alert('c')}" +
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"}" +
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"f();");
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}
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public void testVarNotImmediatelyBelowScriptOrBlock3() {
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testSame("var x = 1; if (x) {var f = function(){return x}; f(); x--;}");
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}
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public void testMultipleVar() {
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test("var f = function(){}; var g = f", "function f(){} var g = f");
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}
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public void testMultipleVar2() {
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test("var f = function(){}; var g = f; var h = function(){}",
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"function f(){}var g = f;function h(){}");
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}
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public void testBothScopes() {
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test("var x = function() { var y = function(){} }",
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"function x() { function y(){} }");
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}
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public void testLocalScopeOnly1() {
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test("if (x) var f = function(){ var g = function(){} }",
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"if (x) var f = function(){ function g(){} }");
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}
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public void testLocalScopeOnly2() {
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test("if (x) var f = function(){ var g = function(){} };",
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"if (x) var f = function(){ function g(){} }");
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}
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public void testReturn() {
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test("var f = function(x){return 2*x}; var g = f(2);",
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"function f(x){return 2*x} var g = f(2)");
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}
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public void testAlert() {
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test("var x = 1; var f = function(){alert(x)};",
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"var x = 1; function f(){alert(x)}");
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}
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public void testRecursiveInternal1() {
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testSame("var f = function foo() { foo() }");
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}
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public void testRecursiveInternal2() {
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testSame("var f = function foo() { function g(){foo()} g() }");
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}
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public void testRecursiveExternal1() {
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test("var f = function foo() { f() }",
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"function f() { f() }");
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}
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public void testRecursiveExternal2() {
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test("var f = function foo() { function g(){f()} g() }",
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"function f() { function g(){f()} g() }");
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}
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public void testConstantFunction1() {
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test("var FOO = function(){};FOO()",
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"function FOO(){}FOO()");
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}
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public void testInnerFunction1() {
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test(
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"function f() { " +
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" var x = 3; var y = function() { return 4; }; return x + y();" +
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"}",
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"function f() { " +
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" function y() { return 4; } var x = 3; return x + y();" +
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"}");
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}
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}
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