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Side by Side Diff: tests/language/src/OptimizationTest.dart

Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 7 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4 // Test various optimizations and deoptimizations of optimizing compiler..
5
6 addThem(a, b) {
7 return a + b;
8 }
9
10 isItInt(a) {
11 return a is int;
12 }
13
14 doNeg(a) {
15 return -a;
16 }
17
18 doNeg2(a) {
19 return -a;
20 }
21
22 doNot(a) {
23 return !a;
24 }
25
26 doBitNot(a) {
27 return ~a;
28 }
29
30 doStore1(a, v) {
31 a[1] = v;
32 }
33
34 doStore2(a, v) {
35 a[2] = v;
36 }
37
38 class StringPlus {
39 const StringPlus(String this._val);
40 operator + (right) => new StringPlus("${_val}${right}");
41 toString() => _val;
42
43 final String _val;
44 }
45
46 main() {
47 for (int i = 0; i < 2000; i++) {
48 Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString());
49 Expect.equals(true, isItInt(5));
50 }
51 Expect.equals(8, addThem(3, 5));
52 for (int i = 0; i < 2000; i++) {
53 Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString());
54 Expect.equals(8, addThem(3, 5));
55 }
56 for (int i = -500; i < 500; i++) {
57 var r = doNeg(i);
58 var p = doNeg(r);
59 Expect.equals(i, p);
60 }
61 var maxSmi = (1 << 30) - 1;
62 Expect.equals(maxSmi, doNeg(doNeg(maxSmi)));
63 // Deoptimize because of overflow.
64 var minInt = -(1 << 30);
65 Expect.equals(minInt, doNeg(doNeg(minInt)));
66
67 for (int i = 0; i < 1000; i++) {
68 Expect.equals(false, doNot(true));
69 Expect.equals(true, doNot(doNot(true)));
70 }
71 for (int i = 0; i < 1000; i++) {
72 Expect.equals(-57, doBitNot(56));
73 Expect.equals(55, doBitNot(-56));
74 }
75
76 for (int i = 0; i < 2000; i++) {
77 Expect.equals(-2.2, doNeg2(2.2));
78 }
79 // Deoptimize.
80 Expect.equals(-5, doNeg2(5));
81
82 var fixed = new List(10);
83 var growable = [1, 2, 3, 4, 5];
84
85 for (int i = 0; i < 2000; i++) {
86 doStore1(fixed, 7);
87 Expect.equals(7, fixed[1]);
88 doStore2(growable, 12);
89 Expect.equals(12, growable[2]);
90 }
91
92 // Deoptimize.
93 doStore1(growable, 8);
94 Expect.equals(8, growable[1]);
95 doStore2(fixed, 101);
96 Expect.equals(101, fixed[2]);
97 }
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