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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/common/gpu/vulkan_in_process_context_provider.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace viz {
class VulkanInProcessContextProviderTest : public testing::Test {
public:
void CreateVulkanInProcessContextProvider(
uint32_t sync_cpu_memory_limit,
const base::TimeDelta& cooldown_duration_at_memory_pressure_critical) {
context_provider_ = new VulkanInProcessContextProvider(
nullptr, 0, sync_cpu_memory_limit,
cooldown_duration_at_memory_pressure_critical);
}
void TearDown() override { context_provider_.reset(); }
void SendCriticalMemoryPressureSignal() {
context_provider_->OnMemoryPressure(
base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
}
protected:
scoped_refptr<VulkanInProcessContextProvider> context_provider_;
};
TEST_F(VulkanInProcessContextProviderTest,
NotifyMemoryPressureChangesSyncCpuMemoryLimit) {
const uint32_t kTestSyncCpuMemoryLimit = 1234;
CreateVulkanInProcessContextProvider(kTestSyncCpuMemoryLimit,
base::TimeDelta::Max());
auto limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_TRUE(limit.has_value());
EXPECT_EQ(kTestSyncCpuMemoryLimit, limit.value());
SendCriticalMemoryPressureSignal();
limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_TRUE(limit.has_value());
EXPECT_EQ(0u, limit.value());
}
TEST_F(VulkanInProcessContextProviderTest,
ZeroSyncCpuMemoryLimitDoesNotChange) {
CreateVulkanInProcessContextProvider(0, base::TimeDelta::Max());
auto limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_FALSE(limit.has_value());
SendCriticalMemoryPressureSignal();
limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_FALSE(limit.has_value());
}
TEST_F(VulkanInProcessContextProviderTest, SyncCpuMemoryResetsAfterCooldown) {
const uint32_t kTestSyncCpuMemoryLimit = 1234;
CreateVulkanInProcessContextProvider(kTestSyncCpuMemoryLimit,
base::TimeDelta::Min());
auto limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_TRUE(limit.has_value());
EXPECT_EQ(kTestSyncCpuMemoryLimit, limit.value());
SendCriticalMemoryPressureSignal();
limit = context_provider_->GetSyncCpuMemoryLimit();
EXPECT_TRUE(limit.has_value());
EXPECT_EQ(kTestSyncCpuMemoryLimit, limit.value());
}
} // namespace viz
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