/* * Copyright 2016 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; import com.google.common.collect.Lists; import java.util.List; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; @RunWith(JUnit4.class) public class J2clPropertyInlinerPassTest extends CompilerTestCase { @Override @Before public void setUp() throws Exception { super.setUp(); enableNormalize(); // Inlining will fail if normalization hasn't happened yet. } @Override protected CompilerPass getProcessor(Compiler compiler) { return new J2clPropertyInlinerPass(compiler); } @Override protected Compiler createCompiler() { Compiler compiler = super.createCompiler(); J2clSourceFileChecker.markToRunJ2clPasses(compiler); return compiler; } private void testDoesntChange(List js) { test(js, js); } @Test public void testNoInlineNonJ2clProps() { testDoesntChange( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "var A$$0clinit = function() {", " A$$0x = 2;", "};", "Object.defineProperties(A, {x :{", " configurable:true,", " enumerable:true,", " get:function() {", " return A$$0clinit(), A$$0x;", " }", "}});", "var A$$0x = null;", "var x = A.x;")))); } @Test public void testNoInlineNonJ2clPropsValue() { testDoesntChange( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "var A$$0clinit = function() {", " A$$0x = 2;", "};", "Object.defineProperties(A, {x :{", " configurable:true,", " enumerable:true,", " value: 2", "}});", "var A$$0x = null;", "var x = A.x;")))); } // In this test we want to remove the J2CL property but not the entire Object.defineProperties // since it also defines another non J2CL property. @Test public void testNoStripDefineProperties() { test( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$j2cl_prop = 2;", "};", "Object.defineProperties(A, {", " j2cl_prop: {", " configurable: true,", " enumerable: true,", " get: function() {", " return A.$clinit(), A.$j2cl_prop;", " },", " set: function(value) {", " A.$clinit(), A.$j2cl_prop = value;", " }", " },", " non_j2cl_prop: {", " configurable: true,", " enumerable: true,", " get: function() {", " return 55;", " },", " set: function(v) {", " console.log(v);", " }", " },", "});"))), Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$j2cl_prop = 2;", "};", "Object.defineProperties(A, {", " non_j2cl_prop: {", " configurable: true,", " enumerable: true,", " get: function() {", " return 55;", " },", " set: function(v) {", " console.log(v);", " }", " },", "});")))); } @Test public void testInlineDefinePropertiesGetter() { test( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = 3;", "var xx = A.x;"))), Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "A.$x = 3;", "var xx = (A.$clinit(), A.$x);")))); } @Test public void testInlineDefinePropertiesSetter() { test( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = 3;", "A.x = 10;"))), Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "A.$x = 3;", "{(A.$clinit(), A.$x = 10);}")))); } @Test public void testInlineGettersInQualifier() { test( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = {y: 2};", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = null;", "var xy = A.x.y;"))), Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = {y: 2};", "};", "A.$x = null;", "var xy = (A.$clinit(), A.$x).y;")))); } @Test public void testNoInlineCompoundAssignment() { testDoesntChange( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = 3;", "A.x += 5;")))); } @Test public void testNoInlineIncrementGetter() { // Test ++ testDoesntChange( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = 3;", "A.x--;")))); // Test -- testDoesntChange( Lists.newArrayList( SourceFile.fromCode( "someFile.js", lines( "var A = function() {};", "A.$clinit = function() {", " A.$x = 2;", "};", "Object.defineProperties(A, {x: {", " configurable:true,", " enumerable:true,", " get:function() {", " return A.$clinit(), A.$x;", " },", " set: function(value) {", " A.$clinit(), A.$x = value;", " }", "}});", "A.$x = 3;", "A.x++;")))); } @Test public void testInlineEs6Getter() { test( lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " }", " static get x() {", " return A.$clinit(), A.$x", " }", " static set x(value) {", " A.$clinit(), A.$x = value;", " }", "}", "A.$x = 3;", "var xx = A.x"), lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " }", "}", "A.$x = 3;", "var xx = (A.$clinit(), A.$x);")); } @Test public void testInlineEs6Setter() { test( lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " }", " static get x() {", " return A.$clinit(), A.$x", " }", " static set x(value) {", " A.$clinit(), A.$x = value;", " }", "}", "A.$x = 3;", "A.x = 5;"), lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " }", "}", "A.$x = 3;", "{(A.$clinit(), A.$x = 5)}")); } @Test public void testInlineEs6GetterSetter_multiple() { test( lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " A.$y = 3;", " }", " static get x() {", " return A.$clinit(), A.$x", " }", " static set y(value) {", " A.$clinit(), A.$y = value;", " }", " static get y() {", " return A.$clinit(), A.$y", " }", " static set x(value) {", " A.$clinit(), A.$x = value;", " }", "}", "var xx = A.x;", "var yy = A.y", "A.x = 5;", "A.y = 5;"), lines( "class A {", " static $clinit() {", " A.$clinit = function() {};", " A.$x = 2;", " A.$y = 3;", " }", "}", "var xx = (A.$clinit(), A.$x);", "var yy = (A.$clinit(), A.$y)", "{(A.$clinit(), A.$x = 5)}", "{(A.$clinit(), A.$y = 5)}")); } }