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// Copyright 2017 The Dawn Authors
//
// 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.
#include <utility>
#include <vector>
#include "dawn/common/SerialQueue.h"
#include "dawn/common/TypedInteger.h"
#include "gtest/gtest.h"
namespace dawn {
namespace {
using TestSerialQueue = SerialQueue<uint64_t, int>;
// A number of basic tests for SerialQueue that are difficult to split from one another
TEST(SerialQueue, BasicTest) {
TestSerialQueue queue;
// Queue starts empty
ASSERT_TRUE(queue.Empty());
// Iterating on empty queue 1) works 2) doesn't produce any values
for (int value : queue.IterateAll()) {
DAWN_UNUSED(value);
ASSERT_TRUE(false);
}
// Enqueuing values as const ref or rvalue ref
queue.Enqueue(1, 0);
queue.Enqueue(2, 0);
queue.Enqueue(std::move(3), 1);
// Iterating over a non-empty queue produces the expected result
std::vector<int> expectedValues = {1, 2, 3};
for (int value : queue.IterateAll()) {
EXPECT_EQ(expectedValues.front(), value);
ASSERT_FALSE(expectedValues.empty());
expectedValues.erase(expectedValues.begin());
}
ASSERT_TRUE(expectedValues.empty());
// Clear works and makes the queue empty and iteration does nothing.
queue.Clear();
ASSERT_TRUE(queue.Empty());
for (int value : queue.IterateAll()) {
DAWN_UNUSED(value);
ASSERT_TRUE(false);
}
}
// Test enqueuing vectors works
TEST(SerialQueue, EnqueueVectors) {
TestSerialQueue queue;
std::vector<int> vector1 = {1, 2, 3, 4};
std::vector<int> vector2 = {5, 6, 7, 8};
std::vector<int> vector3 = {9, 0};
queue.Enqueue(vector1, 0);
queue.Enqueue(std::move(vector2), 0);
queue.Enqueue(vector3, 1);
std::vector<int> expectedValues = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
for (int value : queue.IterateAll()) {
EXPECT_EQ(expectedValues.front(), value);
ASSERT_FALSE(expectedValues.empty());
expectedValues.erase(expectedValues.begin());
}
ASSERT_TRUE(expectedValues.empty());
}
// Test IterateUpTo
TEST(SerialQueue, IterateUpTo) {
TestSerialQueue queue;
std::vector<int> vector1 = {1, 2, 3, 4};
std::vector<int> vector2 = {5, 6, 7, 8};
std::vector<int> vector3 = {9, 0};
queue.Enqueue(vector1, 0);
queue.Enqueue(std::move(vector2), 1);
queue.Enqueue(vector3, 2);
std::vector<int> expectedValues = {1, 2, 3, 4, 5, 6, 7, 8};
for (int value : queue.IterateUpTo(1)) {
EXPECT_EQ(expectedValues.front(), value);
ASSERT_FALSE(expectedValues.empty());
expectedValues.erase(expectedValues.begin());
}
ASSERT_TRUE(expectedValues.empty());
EXPECT_EQ(queue.LastSerial(), 2u);
}
// Test ClearUpTo
TEST(SerialQueue, ClearUpTo) {
TestSerialQueue queue;
std::vector<int> vector1 = {1, 2, 3, 4};
std::vector<int> vector2 = {5, 6, 7, 8};
std::vector<int> vector3 = {9, 0};
queue.Enqueue(vector1, 0);
queue.Enqueue(std::move(vector2), 0);
queue.Enqueue(vector3, 1);
queue.ClearUpTo(0);
EXPECT_EQ(queue.LastSerial(), 1u);
std::vector<int> expectedValues = {9, 0};
for (int value : queue.IterateAll()) {
EXPECT_EQ(expectedValues.front(), value);
ASSERT_FALSE(expectedValues.empty());
expectedValues.erase(expectedValues.begin());
}
ASSERT_TRUE(expectedValues.empty());
}
// Test FirstSerial
TEST(SerialQueue, FirstSerial) {
TestSerialQueue queue;
std::vector<int> vector1 = {1, 2, 3, 4};
std::vector<int> vector2 = {5, 6, 7, 8};
std::vector<int> vector3 = {9, 0};
queue.Enqueue(vector1, 0);
queue.Enqueue(std::move(vector2), 1);
queue.Enqueue(vector3, 2);
EXPECT_EQ(queue.FirstSerial(), 0u);
queue.ClearUpTo(1);
EXPECT_EQ(queue.FirstSerial(), 2u);
queue.Clear();
queue.Enqueue(vector1, 6);
EXPECT_EQ(queue.FirstSerial(), 6u);
}
// Test LastSerial
TEST(SerialQueue, LastSerial) {
TestSerialQueue queue;
queue.Enqueue({1}, 0);
EXPECT_EQ(queue.LastSerial(), 0u);
queue.Enqueue({2}, 1);
EXPECT_EQ(queue.LastSerial(), 1u);
}
// Test basic functionality with type integers
TEST(SerialQueue, TypedInteger) {
using MySerial = TypedInteger<struct MySerialT, uint64_t>;
using MySerialQueue = SerialQueue<MySerial, int>;
MySerialQueue queue;
queue.Enqueue(1, MySerial(0));
queue.Enqueue(2, MySerial(0));
std::vector<int> expectedValues = {1, 2};
for (int value : queue.IterateAll()) {
EXPECT_EQ(expectedValues.front(), value);
ASSERT_FALSE(expectedValues.empty());
expectedValues.erase(expectedValues.begin());
}
ASSERT_TRUE(expectedValues.empty());
}
} // anonymous namespace
} // namespace dawn