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Issue 10252020: test rename overhaul: step 12 - standalone (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) 2012, 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 correct usage of inlined double temporary objects.
5
6 main() {
7 for (int i = 0; i < 2000; i++) {
8 testBinaryOp();
9 testUnaryOp();
10 }
11 }
12
13
14 // VM: temporary double should not be used as result of division,
15 // otherwise the function always returns the same object.
16 double divide(double a, double b) {
17 return a / b;
18 }
19
20 testBinaryOp() {
21 var x = divide(1.0, 2.0);
22 var y = divide(2.0, 3.0);
23 Expect.notEquals(x, y);
24 }
25
26
27 // VM: temporary double should be used only for "-b", otherwise the
28 // function would always return the same object.
29 double unary(double a, double b) {
30 return -(a * (-b));
31 }
32
33
34 testUnaryOp() {
35 var x = unary(1.0, 2.0);
36 var y = unary(3.0, 4.0);
37 Expect.equals(2.0, x);
38 }
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