From 673a21b249d9a1753cb2622be1085636299e0990 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Wed, 4 Mar 2009 06:58:28 +0000
Subject: Added Audio::Timestamp class, based on SCI's sfx_timestamp_t; also
 provide a unit test for it, based on the old (and very outdated)
 timetest.cpp. To be used by Audio::Mixer one day...

svn-id: r39112
---
 test/module.mk         |  4 ++--
 test/sound/timestamp.h | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 test/sound/timestamp.h

(limited to 'test')

diff --git a/test/module.mk b/test/module.mk
index 22c2dfa2c5..bf6a9efe8a 100644
--- a/test/module.mk
+++ b/test/module.mk
@@ -5,8 +5,8 @@
 #
 ######################################################################
 
-TESTS        := test/common/*.h
-TEST_LIBS    := common/libcommon.a
+TESTS        := test/common/*.h test/sound/*.h
+TEST_LIBS    := common/libcommon.a sound/libsound.a
 
 #
 TEST_FLAGS   := --runner=StdioPrinter
diff --git a/test/sound/timestamp.h b/test/sound/timestamp.h
new file mode 100644
index 0000000000..d6477bc336
--- /dev/null
+++ b/test/sound/timestamp.h
@@ -0,0 +1,34 @@
+#include <cxxtest/TestSuite.h>
+
+#include "sound/timestamp.h"
+
+class TimestampTestSuite : public CxxTest::TestSuite
+{
+	public:
+	void test_diff_add(void) {
+		Audio::Timestamp a(10000, 1000);
+		Audio::Timestamp b(10001, 1000);
+		Audio::Timestamp c(10002, 1000);
+	
+		TS_ASSERT_EQUALS(a.frameDiff(b), -1);
+		TS_ASSERT_EQUALS(b.frameDiff(a), 1);
+		TS_ASSERT_EQUALS(c.frameDiff(a), 2);
+		TS_ASSERT_EQUALS(b.addFrames(2000).frameDiff(a), 2001);
+		TS_ASSERT_EQUALS(a.frameDiff(b), -1);
+		TS_ASSERT_EQUALS(b.frameDiff(a), 1);
+		TS_ASSERT_EQUALS(c.frameDiff(a), 2);
+		TS_ASSERT_EQUALS(b.addFrames(2000).frameDiff(a.addFrames(-1000)), 3001);
+		TS_ASSERT_EQUALS(a.frameDiff(b), -1);
+		TS_ASSERT_EQUALS(b.frameDiff(a), 1);
+		TS_ASSERT_EQUALS(c.frameDiff(a), 2);
+	}
+
+	void test_more_add_diff(void) {
+		const Audio::Timestamp c(10002, 1000);
+
+		for (int i = -10000; i < 10000; i++) {
+			int v = c.addFrames(i).frameDiff(c);
+			TS_ASSERT_EQUALS(v, i);
+		}
+	}
+};
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