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Change-Id: I0e97add738bc79314a210cf137525b7391467fc2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152595 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
39 lines
985 B
Dart
39 lines
985 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test correct usage of inlined double temporary objects.
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import "package:expect/expect.dart";
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main() {
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for (int i = 0; i < 2000; i++) {
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testBinaryOp();
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testUnaryOp();
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}
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}
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// VM: temporary double should not be used as result of division,
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// otherwise the function always returns the same object.
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double divide(double a, double b) {
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return a / b;
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}
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testBinaryOp() {
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var x = divide(1.0, 2.0);
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var y = divide(2.0, 3.0);
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Expect.notEquals(x, y);
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}
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// VM: temporary double should be used only for "-b", otherwise the
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// function would always return the same object.
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double unary(double a, double b) {
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return -(a * (-b));
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}
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testUnaryOp() {
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var x = unary(1.0, 2.0);
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var y = unary(3.0, 4.0);
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Expect.equals(2.0, x);
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Expect.equals(12.0, y);
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}
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