TEST: Add/extend MemoryReadStream(Endian) test cases

svn-id: r54440

2 files changed, 139 insertions, 0 deletions

diff --git a/test/common/memoryreadstream.h b/test/common/memoryreadstream.h
index f7a144d730..a476f12a2f 100644
--- a/test/common/memoryreadstream.h
+++ b/test/common/memoryreadstream.h
@@ -58,4 +58,30 @@ class MemoryReadStreamTestSuite : public CxxTest::TestSuite {
 		TS_ASSERT_EQUALS(ms.pos(), 0);
 		TS_ASSERT(!ms.eos());
 	}
+
+	void test_seek_read_le() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStream ms(contents, sizeof(contents));
+
+		TS_ASSERT_EQUALS(ms.readUint16LE(), 0x0201UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32LE(), 0x06050403UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_read_be() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStream ms(contents, sizeof(contents));
+
+		TS_ASSERT_EQUALS(ms.readUint16BE(), 0x0102UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32BE(), 0x03040506UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
 };
diff --git a/test/common/memoryreadstreamendian.h b/test/common/memoryreadstreamendian.h
new file mode 100644
index 0000000000..35e804c70b
--- /dev/null
+++ b/test/common/memoryreadstreamendian.h
@@ -0,0 +1,113 @@
+#include <cxxtest/TestSuite.h>
+
+#include "common/memstream.h"
+
+class MemoryReadStreamEndianTestSuite : public CxxTest::TestSuite {
+	public:
+	void test_seek_set() {
+		byte contents[] = { 'a', 'b', '\n', '\n', 'c', '\n' };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		ms.seek(0, SEEK_SET);
+		TS_ASSERT_EQUALS(ms.pos(), 0);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(1, SEEK_SET);
+		TS_ASSERT_EQUALS(ms.pos(), 1);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(5, SEEK_SET);
+		TS_ASSERT_EQUALS(ms.pos(), 5);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_cur() {
+		byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		ms.seek(3, SEEK_CUR);
+		TS_ASSERT_EQUALS(ms.pos(), 3);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(-1, SEEK_CUR);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(3, SEEK_CUR);
+		TS_ASSERT_EQUALS(ms.pos(), 5);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(-1, SEEK_CUR);
+		TS_ASSERT_EQUALS(ms.pos(), 4);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_end() {
+		byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		ms.seek(0, SEEK_END);
+		TS_ASSERT_EQUALS(ms.pos(), 5);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(-1, SEEK_END);
+		TS_ASSERT_EQUALS(ms.pos(), 4);
+		TS_ASSERT(!ms.eos());
+
+		ms.seek(-5, SEEK_END);
+		TS_ASSERT_EQUALS(ms.pos(), 0);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_read_le() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		TS_ASSERT_EQUALS(ms.readUint16LE(), 0x0201UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32LE(), 0x06050403UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_read_be() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		TS_ASSERT_EQUALS(ms.readUint16BE(), 0x0102UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32BE(), 0x03040506UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_read_le2() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
+
+		TS_ASSERT_EQUALS(ms.readUint16(), 0x0201UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32(), 0x06050403UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
+
+	void test_seek_read_be2() {
+		byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
+		Common::MemoryReadStreamEndian ms(contents, sizeof(contents), true);
+
+		TS_ASSERT_EQUALS(ms.readUint16(), 0x0102UL);
+		TS_ASSERT_EQUALS(ms.pos(), 2);
+		TS_ASSERT_EQUALS(ms.readUint32(), 0x03040506UL);
+		TS_ASSERT_EQUALS(ms.pos(), 6);
+		TS_ASSERT_EQUALS(ms.readByte(), 0x07);
+		TS_ASSERT_EQUALS(ms.pos(), 7);
+		TS_ASSERT(!ms.eos());
+	}
+};