FileInputStream

Tests/CMakeLists.txt

@@ -9,5 +9,16 @@ function(DeclareTest name)
     gtest_discover_tests(${name})
 endfunction()
 
+function(CopyFilesFor target)
+    add_custom_command(TARGET ${target} POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_directory
+            ${CMAKE_CURRENT_LIST_DIR}/TestFiles
+            $<TARGET_FILE_DIR:${target}>/TestFiles
+    )
+endfunction()
+
 DeclareTest(InputStream)
 DeclareTest(Logging)
+
+CopyFilesFor(InputStream)
+

Tests/InputStream.cpp

@@ -1,5 +1,34 @@
 #include <gtest/gtest.h>
 
-TEST(InputStream, reading) {
+#include "IO/Stream/FileInputStream.hpp"
 
+using namespace mce;
+
+TEST(InputStream, Reading) {
+	FileInputStream testStream("TestFiles/test.txt");
+
+	EXPECT_TRUE(testStream.isOpen());
+	EXPECT_FALSE(testStream.eof());
+
+	std::vector<char> fileContent(testStream.getSize() + 1, 0);
+	size_t bytesRead = testStream.read(fileContent.data(), testStream.getSize());
+
+	std::ifstream stream("TestFiles/test.txt");
+
+	std::string content;
+	while (std::getline(stream, content)) {}
+
+	EXPECT_EQ(content, fileContent.data());
+	EXPECT_EQ(bytesRead, content.size());
+
+	stream.close();
+}
+
+TEST(InputStream, ReadMoreThanFileHas) {
+	FileInputStream testStream("TestFiles/test.txt");
+
+	std::vector<char> fileContent(testStream.getSize() + 1, 0);
+	size_t bytesRead = testStream.read(fileContent.data(), testStream.getSize() + 2);
+
+	EXPECT_EQ(bytesRead, testStream.getSize());
 }

Tests/TestFiles/test.txt

@@ -0,0 +1 @@
+this is some data