117 lines
3.7 KiB
Java
117 lines
3.7 KiB
Java
/*
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* Copyright 2007 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 RenameVars}.
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* @see RenameVarsTest
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*/
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public class RenameLocalVarsTest extends CompilerTestCase {
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private static final String DEFAULT_PREFIX = "";
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private String prefix = DEFAULT_PREFIX;
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@Override
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protected CompilerPass getProcessor(Compiler compiler) {
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return new RenameVars(
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compiler, prefix, true, false, false, false, null, null, null);
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}
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public void testRenameSimple() {
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test("function Foo(v1, v2) {return v1;} Foo();",
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"function Foo(a, b) {return a;} Foo();");
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}
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public void testRenameGlobals() {
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testSame("var Foo; var Bar, y; function x() { Bar++; }");
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}
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public void testRenameLocals() {
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test("(function (v1, v2) {}); (function (v3, v4) {});",
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"(function (a, b) {}); (function (a, b) {});");
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test("function f1(v1, v2) {}; function f2(v3, v4) {};",
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"function f1(a, b) {}; function f2(a, b) {};");
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}
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public void testRenameLocalsClashingWithGlobals() {
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test("function a(v1, v2) {return v1;} a();",
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"function a(b, c) {return b;} a();");
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}
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public void testRenameNested() {
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test("function f1(v1, v2) { (function(v3, v4) {}) }",
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"function f1(a, b) { (function(c, d) {}) }");
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test("function f1(v1, v2) { function f2(v3, v4) {} }",
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"function f1(a, b) { function c(d, e) {} }");
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}
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public void testRenameWithExterns1() {
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String externs = "var bar; function alert() {}";
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test(externs,
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"function foo(bar) { alert(bar); } foo(3)",
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"function foo(a) { alert(a); } foo(3)", null, null);
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}
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public void testRenameWithExterns2() {
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test("var a; function alert() {}",
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"function foo(bar) { alert(a);alert(bar); } foo(3);",
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"function foo(b) { alert(a);alert(b); } foo(3);",
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null, null);
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}
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public void testDoNotRenameExportedName() {
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test("_foo()", "_foo()");
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}
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public void testRenameWithNameOverlap() {
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test("function local() { var a = 1; var b = 2; b + b; }",
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"function local() { var b = 1; var a = 2; a + a; }");
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}
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public void testRenameWithPrefix1() {
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prefix = "PRE_";
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test("function Foo(v1, v2) {return v1} Foo();",
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"function Foo(a, b) {return a} Foo();");
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prefix = DEFAULT_PREFIX;
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}
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public void testRenameWithPrefix2() {
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prefix = "PRE_";
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test("function Foo(v1, v2) {var v3 = v1 + v2; return v3;} Foo();",
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"function Foo(a, b) {var c = a + b; return c;} Foo();");
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prefix = DEFAULT_PREFIX;
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}
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public void testRenameWithPrefix3() {
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prefix = "a";
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test("function Foo() {return 1;}" +
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"function Bar() {" +
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" var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z," +
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" A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,aa,ab;" +
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" Foo();" +
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"} Bar();",
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"function Foo() {return 1;}" +
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"function Bar() {" +
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" var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C," +
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" D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,$,aa;" +
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" Foo();" +
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"} Bar();");
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prefix = DEFAULT_PREFIX;
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}
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}
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