compute-runtime/unit_tests/linux/drm_null_device_tests.cpp

84 lines
2.3 KiB
C++

/*
* Copyright (C) 2017-2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "runtime/os_interface/linux/drm_null_device.h"
#include "test.h"
#include "unit_tests/helpers/debug_manager_state_restore.h"
#include "unit_tests/linux/drm_wrap.h"
#include "unit_tests/linux/mock_os_layer.h"
#include <memory>
using namespace NEO;
class DrmNullDeviceTestsFixture {
public:
void SetUp() {
// Create nullDevice drm
DebugManager.flags.EnableNullHardware.set(true);
DrmWrap::createDrm(0);
// Obtain nullDevice drm
drmNullDevice = DrmWrap::get(0);
ASSERT_NE(drmNullDevice, nullptr);
}
void TearDown() {
// Close drm
DrmWrap::closeDevice(0);
}
Drm *drmNullDevice;
protected:
DebugManagerStateRestore dbgRestorer;
};
typedef Test<DrmNullDeviceTestsFixture> DrmNullDeviceTests;
TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENcallGetDeviceIdTHENreturnProperDeviceId) {
int deviceIdQueried = 0;
int ret = drmNullDevice->getDeviceID(deviceIdQueried);
EXPECT_EQ(0, ret);
EXPECT_EQ(deviceId, deviceIdQueried);
}
TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENcallIoctlTHENalwaysSuccess) {
EXPECT_EQ(drmNullDevice->ioctl(0, nullptr), 0);
}
TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENregReadOtherThenTimestampReadTHENalwaysSuccess) {
struct drm_i915_reg_read arg;
arg.offset = 0;
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
}
TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENgetGpuTimestamp32bOr64bTHENerror) {
struct drm_i915_reg_read arg;
arg.offset = TIMESTAMP_LOW_REG;
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), -1);
arg.offset = TIMESTAMP_HIGH_REG;
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), -1);
}
TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENgetGpuTimestamp36bTHENproperValues) {
struct drm_i915_reg_read arg;
arg.offset = TIMESTAMP_LOW_REG | 1;
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
EXPECT_EQ(arg.val, 1000ULL);
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
EXPECT_EQ(arg.val, 2000ULL);
ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
EXPECT_EQ(arg.val, 3000ULL);
}