dart-sdk/runtime/vm/os_test.cc
Vyacheslav Egorov d8e96a8700 [vm/cleanup] Remove vm/cc/Sleep test.
This test was skipped for ages and it does not seem to be very useful.

Closes https://github.com/dart-lang/sdk/issues/5133.

Change-Id: I9035956069fc7d42e710c3c49f98811db10f7d36
Reviewed-on: https://dart-review.googlesource.com/46062
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
2018-03-12 17:15:28 +00:00

44 lines
1.2 KiB
C++

// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/os.h"
#include "platform/assert.h"
#include "platform/utils.h"
#include "vm/globals.h"
#include "vm/unit_test.h"
namespace dart {
VM_UNIT_TEST_CASE(SNPrint) {
char buffer[256];
int length;
length = Utils::SNPrint(buffer, 10, "%s", "foo");
EXPECT_EQ(3, length);
EXPECT_STREQ("foo", buffer);
length = Utils::SNPrint(buffer, 3, "%s", "foo");
EXPECT_EQ(3, length);
EXPECT_STREQ("fo", buffer);
length = Utils::SNPrint(buffer, 256, "%s%c%d", "foo", 'Z', 42);
EXPECT_EQ(6, length);
EXPECT_STREQ("fooZ42", buffer);
length = Utils::SNPrint(NULL, 0, "foo");
EXPECT_EQ(3, length);
}
// This test is expected to crash when it runs.
VM_UNIT_TEST_CASE(SNPrint_BadArgs) {
int width = kMaxInt32;
int num = 7;
Utils::SNPrint(NULL, 0, "%*d%*d", width, num, width, num);
}
VM_UNIT_TEST_CASE(OsFuncs) {
EXPECT(Utils::IsPowerOfTwo(OS::ActivationFrameAlignment()));
EXPECT(Utils::IsPowerOfTwo(OS::PreferredCodeAlignment()));
int procs = OS::NumberOfAvailableProcessors();
EXPECT_LE(1, procs);
}
} // namespace dart