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#include <gtest/gtest.h>
#include <c10/core/Device.h>
#include <c10/util/Exception.h>
// -- Device -------------------------------------------------------
struct ExpectedDeviceTestResult {
std::string device_string;
c10::DeviceType device_type;
c10::DeviceIndex device_index;
};
TEST(DeviceTest, BasicConstruction) {
std::vector<ExpectedDeviceTestResult> valid_devices = {
{"cpu", c10::DeviceType::CPU, -1},
{"cuda", c10::DeviceType::CUDA, -1},
{"cpu:0", c10::DeviceType::CPU, 0},
{"cuda:0", c10::DeviceType::CUDA, 0},
{"cuda:1", c10::DeviceType::CUDA, 1},
};
std::vector<std::string> invalid_device_strings = {
"cpu:x",
"cpu:foo",
"cuda:cuda",
"cuda:",
"cpu:0:0",
"cpu:0:",
"cpu:-1",
"::",
":",
"cpu:00",
"cpu:01"};
for (auto& ds : valid_devices) {
c10::Device d(ds.device_string);
ASSERT_EQ(d.type(), ds.device_type)
<< "Device String: " << ds.device_string;
ASSERT_EQ(d.index(), ds.device_index)
<< "Device String: " << ds.device_string;
}
auto make_device = [](const std::string& ds) { return c10::Device(ds); };
for (auto& ds : invalid_device_strings) {
EXPECT_THROW(make_device(ds), c10::Error) << "Device String: " << ds;
}
}
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