1// Copyright 2010 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
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8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
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15//
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17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --allow-natives-syntax
29
30// Test that we can inline a function that returns a constant.
31function TestInlineConstant(o) {
32  // Effect context.
33  o.f();
34  // Value context.
35  var x = o.f();
36  assertEquals(42, x);
37  assertEquals(42, o.f());
38  // Test context.
39  if (!o.f()) {
40    assertTrue(false);  // Should not happen.
41  }
42}
43
44var o1 = {};
45o1.f = function() { return 42; };
46for (var i = 0; i < 5; i++) TestInlineConstant(o1);
47%OptimizeFunctionOnNextCall(TestInlineConstant);
48TestInlineConstant(o1);
49TestInlineConstant({f: o1.f});
50
51
52// Test that we can inline a function that returns 'this'.
53function TestInlineThis(o) {
54  // Effect context.
55  o.g();
56  // Value context.
57  var x = o.g();
58  assertEquals(o, x);
59  assertEquals(o, o.g());
60  // Test context.
61  if (!o.g()) {
62    assertTrue(false);  // Should not happen.
63  }
64}
65
66var o2 = {};
67o2.g = function() { return this; };
68for (var i = 0; i < 5; i++) TestInlineThis(o2);
69%OptimizeFunctionOnNextCall(TestInlineThis);
70TestInlineThis(o2);
71TestInlineThis({g: o2.g});
72
73
74// Test that we can inline a function that returns 'this.x'.
75function TestInlineThisX(o) {
76  // Effect context.
77  o.h();
78  // Value context.
79  var x = o.h();
80  assertEquals(42, x);
81  assertEquals(42, o.h());
82  // Test context.
83  if (!o.h()) {
84    assertTrue(false);  // Should not happen.
85  }
86}
87
88var o3 = {y:0,x:42};
89o3.h = function() { return this.x; };
90for (var i = 0; i < 5; i++) TestInlineThisX(o3);
91%OptimizeFunctionOnNextCall(TestInlineThisX);
92TestInlineThisX(o3);
93TestInlineThisX({h: o3.h, x:42});
94
95
96// Test that we can inline a function that returns 'this.x.length'.
97function TestInlineThisXLength(o) {
98  // Effect context.
99  o.h();
100  // Value context.
101  var x = o.h();
102  assertEquals(3, x);
103  assertEquals(3, o.h());
104  // Test context.
105  if (!o.h()) {
106    assertTrue(false);  // Should not happen.
107  }
108}
109
110var o4 = {x:[1,2,3]};
111o4.h = function() { return this.x.length; };
112for (var i = 0; i < 5; i++) TestInlineThisXLength(o4);
113%OptimizeFunctionOnNextCall(TestInlineThisXLength);
114TestInlineThisXLength(o4);
115TestInlineThisXLength({h: o4.h, x:[1,2,3]});
116
117
118// Test that we can inline a function that returns 'this.x.y'.
119function TestInlineThisXY(o) {
120  // Effect context.
121  o.h();
122  // Value context.
123  var x = o.h();
124  assertEquals(42, x);
125  assertEquals(42, o.h());
126  // Test context.
127  if (!o.h()) {
128    assertTrue(false);  // Should not happen.
129  }
130}
131
132var o6 = {y:42}
133var o5 = {e:o6};
134o5.h = function() { return this.e.y; };
135for (var i = 0; i < 5; i++) TestInlineThisXY(o5);
136%OptimizeFunctionOnNextCall(TestInlineThisXY);
137TestInlineThisXY(o5);
138TestInlineThisXY({h: o5.h, e:o6});
139
140
141// Test that we can inline a function that returns 'this.x.length'.
142function TestInlineThisX0(o) {
143  // Effect context.
144  o.foo();
145  // Value context.
146  var x = o.foo();
147  assertEquals(42, x);
148  assertEquals(42, o.foo());
149  // Test context.
150  if (!o.foo()) {
151    assertTrue(false);  // Should not happen.
152  }
153}
154
155var o7 = {x:[42,43,44]};
156o7.foo = function() { return this.x[0]; };
157for (var i = 0; i < 5; i++) TestInlineThisX0(o7);
158%OptimizeFunctionOnNextCall(TestInlineThisX0);
159TestInlineThisX0(o7);
160TestInlineThisX0({foo: o7.foo, x:[42,0,0]});
161