1 files changed, 31 insertions, 0 deletions
diff --git a/test/common/memorywritestream.h b/test/common/memorywritestream.h
new file mode 100644
index 0000000000..43a137a9f3
--- /dev/null
+++ b/test/common/memorywritestream.h
@@ -0,0 +1,31 @@
+#include <cxxtest/TestSuite.h>
+
+#include "common/memstream.h"
+
+class MemoryWriteStreamTestSuite : public CxxTest::TestSuite {
+	public:
+	void test_err() {
+		byte temp = 0;
+
+		Common::MemoryWriteStream stream(&temp, 0);
+		TS_ASSERT(!stream.err());
+
+		// Make sure the error indicator gets set
+		stream.write(&temp, 1);
+		TS_ASSERT(stream.err());
+
+		// Test whether the error indicator can be cleared
+		stream.clearErr();
+		TS_ASSERT(!stream.err());
+	}
+
+	void test_write() {
+		byte buffer[7] = {};
+		Common::MemoryWriteStream stream(buffer, sizeof(buffer));
+
+		const byte data[7] = { 7, 4, 3, 0, 10, 12, 1 };
+		stream.write(data, sizeof(data));
+		TS_ASSERT(memcmp(buffer, data, sizeof(data)) == 0);
+		TS_ASSERT(!stream.err());
+	}
+};