Initial commit

Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

unit_tests/os_interface/os_library_tests.cpp

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+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#if defined(_WIN32)
+#include "runtime/os_interface/windows/os_library.h"
+#elif defined(__linux__)
+#include "runtime/os_interface/linux/os_library.h"
+#endif
+#include "runtime/os_interface/os_library.h"
+#include "test.h"
+#include "unit_tests/helpers/memory_management.h"
+#include "unit_tests/fixtures/memory_management_fixture.h"
+#include "gtest/gtest.h"
+#include <memory>
+
+namespace Os {
+extern const char *frontEndDllName;
+extern const char *igcDllName;
+extern const char *testDllName;
+}
+const std::string fakeLibName = "_fake_library_name_";
+const std::string fnName = "testDynamicLibraryFunc";
+
+using namespace OCLRT;
+
+class OSLibraryFixture : public MemoryManagementFixture
+
+{
+  public:
+    void SetUp() override {
+        MemoryManagementFixture::SetUp();
+    }
+
+    void TearDown() override {
+        MemoryManagementFixture::TearDown();
+    }
+};
+
+typedef Test<OSLibraryFixture> OSLibraryTest;
+
+TEST_F(OSLibraryTest, whenLibraryNameIsEmptyThenCurrentProcesIsUsedAsLibrary) {
+    std::unique_ptr<OsLibrary> library{OsLibrary::load("")};
+    EXPECT_NE(nullptr, library);
+    void *ptr = library->getProcAddress("selfDynamicLibraryFunc");
+    EXPECT_NE(nullptr, ptr);
+}
+
+TEST_F(OSLibraryTest, CreateFake) {
+    OsLibrary *library = OsLibrary::load(fakeLibName);
+    EXPECT_EQ(nullptr, library);
+}
+
+TEST_F(OSLibraryTest, whenLibraryNameIsValidThenLibraryIsLoadedCorrectly) {
+    std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
+    EXPECT_NE(nullptr, library);
+}
+
+TEST_F(OSLibraryTest, whenSymbolNameIsValidThenGetProcAddressReturnsNonNullPointer) {
+    std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
+    EXPECT_NE(nullptr, library);
+    void *ptr = library->getProcAddress(fnName);
+    EXPECT_NE(nullptr, ptr);
+}
+
+TEST_F(OSLibraryTest, whenSymbolNameIsInvalidThenGetProcAddressReturnsNullPointer) {
+    std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
+    EXPECT_NE(nullptr, library);
+    void *ptr = library->getProcAddress(fnName + "invalid");
+    EXPECT_EQ(nullptr, ptr);
+}
+
+TEST_F(OSLibraryTest, testFailNew) {
+    InjectedFunction method = [](size_t failureIndex) {
+        std::string libName(Os::testDllName);
+
+        // System under test
+        OsLibrary *library = OsLibrary::load(libName);
+
+        if (nonfailingAllocation == failureIndex) {
+            EXPECT_NE(nullptr, library);
+        } else {
+            EXPECT_EQ(nullptr, library);
+        }
+
+        // Make sure that we only have 1 buffer allocated at a time
+        delete library;
+        library = nullptr;
+    };
+    injectFailures(method);
+}