1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright 2012 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;
/**
* @author johnlenz@google.com (John Lenz)
*/
public class InlinePropertiesTest extends CompilerTestCase {
private static final String EXTERNS =
"Function.prototype.call=function(){};" +
"Function.prototype.inherits=function(){};" +
"prop.toString;" +
"var google = { gears: { factory: {}, workerPool: {} } };";
public InlinePropertiesTest() {
super(EXTERNS);
enableNormalize();
enableTypeCheck(CheckLevel.WARNING);
enableClosurePass();
}
@Override
protected CompilerPass getProcessor(Compiler compiler) {
return new InlineProperties(compiler);
}
public void testConstInstanceProp1() {
// Replace a reference to known constant property.
test(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"new C().foo;",
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"new C(), 1;");
}
public void testConstInstanceProp2() {
// Replace a constant reference
test(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"var x = new C();\n" +
"x.foo;",
"function C() {\n" +
" this.foo = 1\n" +
"}\n" +
"var x = new C();\n" +
"1;\n");
}
public void testConstInstanceProp3() {
// Replace a constant reference
test(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"/** @type {C} */\n" +
"var x = new C();\n" +
"x.foo;",
"function C() {\n" +
" this.foo = 1\n" +
"}\n" +
"var x = new C();\n" +
"1;\n");
}
public void testConstInstanceProp4() {
// This pass replies on DisambiguateProperties to distinguish like named
// properties so it doesn't handle this case.
testSame(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"/** @constructor */\n" +
"function B() {\n" +
" this.foo = 1;\n" +
"}\n" +
"new C().foo;\n");
}
public void testConstClassProps1() {
// For now, don't inline constant class properties,
// CollapseProperties should handle this in most cases.
testSame(
"/** @constructor */\n" +
"function C() {\n" +
"}\n" +
"C.foo = 1;\n" +
"C.foo;");
}
public void testConstClassProps2() {
// Don't confuse, class properties with instance properties
testSame(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"C.foo;");
}
public void testConstClassProps3() {
// Don't confuse, class properties with prototype properties
testSame(
"/** @constructor */\n" +
"function C() {}\n" +
"C.prototype.foo = 1;\n" +
"c.foo;\n");
}
public void testNonConstClassProp1() {
testSame(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"var x = new C();\n" +
"alert(x.foo);\n" +
"delete x.foo;");
}
public void testNonConstClassProp2() {
testSame(
"/** @constructor */\n" +
"function C() {\n" +
" this.foo = 1;\n" +
"}\n" +
"var x = new C();\n" +
"alert(x.foo);\n" +
"x.foo = 2;");
}
public void testNonConstructorClassProp1() {
testSame(
"function C() {\n" +
" this.foo = 1;\n" +
" return this;\n" +
"}\n" +
"C().foo;");
}
public void testConditionalClassProp1() {
testSame(
"/** @constructor */\n" +
"function C() {\n" +
" if (false) this.foo = 1;\n" +
"}\n" +
"new C().foo;");
}
public void testConstPrototypeProp1() {
test(
"/** @constructor */\n" +
"function C() {}\n" +
"C.prototype.foo = 1;\n" +
"new C().foo;\n",
"function C() {}\n" +
"C.prototype.foo = 1;\n" +
"new C(), 1;\n");
}
public void testConstPrototypeProp2() {
test(
"/** @constructor */\n" +
"function C() {}\n" +
"C.prototype.foo = 1;\n" +
"var x = new C();\n" +
"x.foo;\n",
"function C() {}\n" +
"C.prototype.foo = 1;\n" +
"var x = new C();\n" +
"1;\n");
}
}
|
