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