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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Thread joining is mostly tested in the other tests.
#include "starboard/nplb/thread_helpers.h"
#include "starboard/thread.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
// Returns the thread's ID.
void* GetThreadIdEntryPoint(void* context) {
return nplb::ToVoid(SbThreadGetId());
}
TEST(SbThreadGetIdTest, SunnyDay) {
EXPECT_NE(kSbThreadInvalidId, SbThreadGetId());
}
TEST(SbThreadGetIdTest, SunnyDayDifferentIds) {
const int kThreads = 16;
SbThread threads[kThreads];
for (int i = 0; i < kThreads; ++i) {
threads[i] = SbThreadCreate(0, kSbThreadNoPriority, kSbThreadNoAffinity,
true, NULL, GetThreadIdEntryPoint, NULL);
EXPECT_TRUE(SbThreadIsValid(threads[i]));
}
// We join on all these threads to get their IDs back.
SbThreadId thread_ids[kThreads];
for (int i = 0; i < kThreads; ++i) {
void* result = NULL;
EXPECT_TRUE(SbThreadJoin(threads[i], &result));
SbThreadId id = static_cast<SbThreadId>(nplb::FromVoid(result));
EXPECT_NE(id, SbThreadGetId());
thread_ids[i] = id;
}
// Check every thread ID against every other thread ID. None should be equal.
for (int i = 0; i < kThreads; ++i) {
for (int j = i + 1; j < kThreads; ++j) {
EXPECT_NE(thread_ids[i], thread_ids[j]);
}
}
}
} // namespace
} // namespace nplb
} // namespace starboard