92 lines
2.7 KiB
Java
92 lines
2.7 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 RenameLabels}.
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*/
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public class RenameLabelsTest extends CompilerTestCase {
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@Override
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protected CompilerPass getProcessor(Compiler compiler) {
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return new RenameLabels(compiler);
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}
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public void testRenameInFunction() {
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test("function x(){ Foo:a(); }",
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"function x(){ a(); }");
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test("function x(){ Foo:{ a(); break Foo; } }",
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"function x(){ a:{ a(); break a; } }");
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test("function x() { " +
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"Foo:{ " +
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"function goo() {" +
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"Foo: {" +
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"a(); " +
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"break Foo; " +
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"}" +
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"}" +
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"}" +
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"}",
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"function x(){function goo(){a:{ a(); break a; }}}");
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test("function x() { " +
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"Foo:{ " +
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"function goo() {" +
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"Foo: {" +
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"a(); " +
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"break Foo; " +
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"}" +
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"}" +
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"break Foo;" +
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"}" +
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"}",
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"function x(){a:{function goo(){a:{ a(); break a; }} break a;}}");
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}
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public void testRenameGlobals() {
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test("Foo:{a();}",
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"a();");
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test("Foo:{a(); break Foo;}",
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"a:{a(); break a;}");
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test("Foo:{Goo:a(); break Foo;}",
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"a:{a(); break a;}");
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test("Foo:{Goo:while(1){a(); continue Goo; break Foo;}}",
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"a:{b:while(1){a(); continue b;break a;}}");
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test("Foo:Goo:while(1){a(); continue Goo; break Foo;}",
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"a:b:while(1){a(); continue b;break a;}");
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test("Foo:Bar:X:{ break Bar; }",
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"a:{ break a; }");
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test("Foo:Bar:X:{ break Bar; break X; }",
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"a:b:{ break a; break b;}");
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test("Foo:Bar:X:{ break Bar; break Foo; }",
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"a:b:{ break b; break a;}");
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test("Foo:while (1){a(); break;}",
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"while (1){a(); break;}");
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// Remove label that is not referenced.
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test("Foo:{a(); while (1) break;}",
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"a(); while (1) break;");
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}
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public void testRenameReused() {
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test("foo:{break foo}; foo:{break foo}", "a:{break a};a:{break a}");
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}
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}
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