sgjesse@google.com
65896148c9
Moved additional parts of globals.h from vm/ to platform/ to support types and constants used by utils.*. R=ager@google.com, iposva@google.com BUG= TEST= Review URL: http://codereview.chromium.org//9209001 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@3337 260f80e4-7a28-3924-810f-c04153c831b5
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
// 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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#include "platform/assert.h"
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#include "platform/utils.h"
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#include "vm/globals.h"
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#include "vm/os.h"
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#include "vm/unit_test.h"
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namespace dart {
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UNIT_TEST_CASE(Sleep) {
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int64_t start_time = OS::GetCurrentTimeMillis();
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int64_t sleep_time = 702;
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OS::Sleep(sleep_time);
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int64_t delta = OS::GetCurrentTimeMillis() - start_time;
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const int kAcceptableSleepWakeupJitter = 100; // Measured in milliseconds.
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EXPECT_GE(delta, sleep_time - kAcceptableSleepWakeupJitter);
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EXPECT_LE(delta, sleep_time + kAcceptableSleepWakeupJitter);
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}
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UNIT_TEST_CASE(SNPrint) {
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char buffer[256];
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int length;
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length = OS::SNPrint(buffer, 10, "%s", "foo");
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EXPECT_EQ(3, length);
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EXPECT_STREQ("foo", buffer);
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length = OS::SNPrint(buffer, 3, "%s", "foo");
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EXPECT_EQ(3, length);
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EXPECT_STREQ("fo", buffer);
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length = OS::SNPrint(buffer, 256, "%s%c%d", "foo", 'Z', 42);
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EXPECT_EQ(6, length);
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EXPECT_STREQ("fooZ42", buffer);
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length = OS::SNPrint(NULL, 0, "foo");
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EXPECT_EQ(3, length);
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}
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UNIT_TEST_CASE(OsFuncs) {
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EXPECT(Utils::IsPowerOfTwo(OS::ActivationFrameAlignment()));
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EXPECT(Utils::IsPowerOfTwo(OS::PreferredCodeAlignment()));
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int procs = OS::NumberOfAvailableProcessors();
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EXPECT_LE(1, procs);
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EXPECT_LT(0U, OS::GetStackSizeLimit());
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}
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} // namespace dart
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