115 lines
3.4 KiB
Java
115 lines
3.4 KiB
Java
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/*
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* Copyright 2009 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 ChainCalls}
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*
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*/
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public class ChainCallsTest extends CompilerTestCase {
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@Override
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protected CompilerPass getProcessor(final Compiler compiler) {
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return new ChainCalls(compiler);
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}
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@Override
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protected int getNumRepetitions() {
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return 1;
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}
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public void testUnchainedCalls() {
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test(
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "var f = new Foo();\n"
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+ "f.bar();\n"
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+ "f.bar();\n",
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "var f = new Foo();\n"
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+ "f.bar().bar();\n");
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}
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public void testSecondCallReturnNotThis() {
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test(
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "Foo.prototype.baz = function() {};\n"
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+ "var f = new Foo();\n"
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+ "f.bar();\n"
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+ "f.baz();\n",
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "Foo.prototype.baz = function() {};\n"
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+ "var f = new Foo();\n"
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+ "f.bar().baz();\n");
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}
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public void testDifferentInstance() {
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testSame(
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "new Foo().bar();\n"
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+ "new Foo().bar();\n");
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}
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public void testSubclass() {
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testSame(
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""
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+ "/** @constructor */ function Foo() {}\n"
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+ "Foo.prototype.bar = function() { return this; };\n"
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+ "/** @constructor\n@extends {Foo} */ function Baz() {}\n"
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+ "Baz.prototype.bar = function() {};\n"
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+ "(/** @type {Foo} */ new Baz()).bar();\n"
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+ "(/** @type {Foo} */ new Baz()).bar();\n");
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}
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public void testSimpleDefinitionFinder() {
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String defs =
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"/** @constructor */ function Foo() {}\n" +
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"Foo.prototype.a = function() { return this; };" +
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"/** @constructor */ function Bar() {}\n" +
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"Bar.prototype.a = function() {};";
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testSame(
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defs +
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"var o = new Foo; o.a(); o.a();");
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testSame(
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defs +
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"var o = new Bar; o.a(); o.a();");
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}
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public void testSimpleDefinitionFinder2() {
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String defs =
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"/** @constructor */ function Foo() {}\n" +
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"Foo.prototype.a = function() { return this; };" +
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"/** @constructor */ function Bar() {}\n" +
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"Bar.prototype.a = function() { return this; };";
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testSame(
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defs +
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"var o = new Foo; o.a().a();");
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testSame(
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defs +
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"var o = new Bar; o.a().a();");
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}
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}
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