134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
/*
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* Copyright (C) 2018-2021 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#if defined(_WIN32)
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#include "shared/source/os_interface/windows/os_library_win.h"
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#elif defined(__linux__)
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#include "shared/source/os_interface/linux/os_library_linux.h"
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#endif
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#include "shared/source/os_interface/os_library.h"
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#include "opencl/test/unit_test/fixtures/memory_management_fixture.h"
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#include "test.h"
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#include "gtest/gtest.h"
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#include <memory>
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namespace Os {
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extern const char *frontEndDllName;
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extern const char *igcDllName;
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extern const char *testDllName;
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} // namespace Os
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const std::string fakeLibName = "_fake_library_name_";
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const std::string fnName = "testDynamicLibraryFunc";
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using namespace NEO;
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TEST(OSLibraryTest, whenLibraryNameIsEmptyThenCurrentProcesIsUsedAsLibrary) {
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std::unique_ptr<OsLibrary> library{OsLibrary::load("")};
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EXPECT_NE(nullptr, library);
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void *ptr = library->getProcAddress("selfDynamicLibraryFunc");
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EXPECT_NE(nullptr, ptr);
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}
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TEST(OSLibraryTest, GivenFakeLibNameWhenLoadingLibraryThenNullIsReturned) {
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OsLibrary *library = OsLibrary::load(fakeLibName);
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EXPECT_EQ(nullptr, library);
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}
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TEST(OSLibraryTest, GivenFakeLibNameWhenLoadingLibraryThenNullIsReturnedAndErrorString) {
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std::string errorValue;
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OsLibrary *library = OsLibrary::load(fakeLibName, &errorValue);
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EXPECT_FALSE(errorValue.empty());
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EXPECT_EQ(nullptr, library);
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}
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TEST(OSLibraryTest, GivenValidLibNameWhenLoadingLibraryThenLibraryIsLoaded) {
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std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
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EXPECT_NE(nullptr, library);
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}
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TEST(OSLibraryTest, GivenValidLibNameWhenLoadingLibraryThenLibraryIsLoadedWithNoErrorString) {
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std::string errorValue;
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std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName, &errorValue));
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EXPECT_TRUE(errorValue.empty());
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EXPECT_NE(nullptr, library);
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}
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TEST(OSLibraryTest, whenSymbolNameIsValidThenGetProcAddressReturnsNonNullPointer) {
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std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
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EXPECT_NE(nullptr, library);
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void *ptr = library->getProcAddress(fnName);
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EXPECT_NE(nullptr, ptr);
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}
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TEST(OSLibraryTest, whenSymbolNameIsInvalidThenGetProcAddressReturnsNullPointer) {
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std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
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EXPECT_NE(nullptr, library);
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void *ptr = library->getProcAddress(fnName + "invalid");
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EXPECT_EQ(nullptr, ptr);
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}
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using OsLibraryTestWithFailureInjection = Test<MemoryManagementFixture>;
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TEST_F(OsLibraryTestWithFailureInjection, GivenFailureInjectionWhenLibraryIsLoadedThenOnlyFailedAllocationIsNull) {
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InjectedFunction method = [](size_t failureIndex) {
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std::string libName(Os::testDllName);
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// System under test
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OsLibrary *library = OsLibrary::load(libName);
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if (MemoryManagement::nonfailingAllocation == failureIndex) {
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EXPECT_NE(nullptr, library);
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} else {
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EXPECT_EQ(nullptr, library);
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}
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// Make sure that we only have 1 buffer allocated at a time
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delete library;
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};
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injectFailures(method);
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}
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TEST(OsLibrary, whenCallingIndexOperatorThenObjectConvertibleToFunctionOrVoidPointerIsReturned) {
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struct MockOsLibrary : OsLibrary {
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void *getProcAddress(const std::string &procName) override {
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lastRequestedProcName = procName;
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return ptrToReturn;
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}
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bool isLoaded() override { return true; }
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void *ptrToReturn = nullptr;
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std::string lastRequestedProcName;
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};
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MockOsLibrary lib;
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int varA;
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int varB;
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int varC;
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using FunctionTypeA = void (*)(int *, float);
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using FunctionTypeB = int (*)();
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lib.ptrToReturn = &varA;
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FunctionTypeA functionA = lib["funcA"];
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EXPECT_STREQ("funcA", lib.lastRequestedProcName.c_str());
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EXPECT_EQ(&varA, reinterpret_cast<void *>(functionA));
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lib.ptrToReturn = &varB;
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FunctionTypeB functionB = lib["funcB"];
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EXPECT_STREQ("funcB", lib.lastRequestedProcName.c_str());
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EXPECT_EQ(&varB, reinterpret_cast<void *>(functionB));
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lib.ptrToReturn = &varC;
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void *rawPtr = lib["funcC"];
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EXPECT_STREQ("funcC", lib.lastRequestedProcName.c_str());
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EXPECT_EQ(&varC, rawPtr);
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}
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