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Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

unit_tests/utilities/debug_settings_reader_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.
+ */
+
+#include "test.h"
+#include "gtest/gtest.h"
+#include "runtime/helpers/file_io.h"
+#include "runtime/utilities/debug_settings_reader.h"
+#include "runtime/os_interface/debug_settings_manager.h"
+#include <fstream>
+#include <string>
+
+using namespace OCLRT;
+using namespace std;
+
+TEST(SettingsReader, Create) {
+    SettingsReader *reader = SettingsReader::create();
+    EXPECT_NE(nullptr, reader);
+    delete reader;
+}
+
+TEST(SettingsReader, CreateFileReader) {
+    bool settingsFileExists = fileExists(SettingsReader::settingsFileName);
+    if (!settingsFileExists) {
+        char data = 0;
+        writeDataToFile(SettingsReader::settingsFileName, &data, 0);
+    }
+    SettingsReader *reader = SettingsReader::createFileReader();
+    EXPECT_NE(nullptr, reader);
+
+    if (!settingsFileExists) {
+        remove(SettingsReader::settingsFileName);
+    }
+    delete reader;
+}
+
+TEST(SettingsReader, CreateOsReader) {
+    SettingsReader *reader = SettingsReader::createOsReader();
+    EXPECT_NE(nullptr, reader);
+    delete reader;
+}
+
+TEST(SettingsReader, givenPrintDebugStringWhenCalledWithTrueItPrintsToOutput) {
+    int i = 4;
+    testing::internal::CaptureStdout();
+    printDebugString(true, stdout, "testing error %d", i);
+    std::string output = testing::internal::GetCapturedStdout();
+    EXPECT_STRNE(output.c_str(), "");
+}
+TEST(SettingsReader, givenPrintDebugStringWhenCalledWithFalseThenNothingIsPrinted) {
+    int i = 4;
+    testing::internal::CaptureStdout();
+    printDebugString(false, stderr, "Error String %d", i);
+    std::string output = testing::internal::GetCapturedStdout();
+    EXPECT_STREQ(output.c_str(), "");
+}