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-rw-r--r--test/test_pcm_pack.cxx75
1 files changed, 75 insertions, 0 deletions
diff --git a/test/test_pcm_pack.cxx b/test/test_pcm_pack.cxx
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+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "test_pcm_all.hxx"
+#include "test_pcm_util.hxx"
+
+extern "C" {
+#include "pcm/pcm_pack.h"
+}
+
+#include <glib.h>
+
+void
+test_pcm_pack_24()
+{
+ constexpr unsigned N = 256;
+ const auto src = TestDataBuffer<int32_t, N>(GlibRandomInt24());
+
+ uint8_t dest[N * 3];
+ pcm_pack_24(dest, src.begin(), src.end());
+
+ for (unsigned i = 0; i < N; ++i) {
+ int32_t d;
+ if (G_BYTE_ORDER == G_BIG_ENDIAN)
+ d = (dest[i * 3] << 16) | (dest[i * 3 + 1] << 8)
+ | dest[i * 3 + 2];
+ else
+ d = (dest[i * 3 + 2] << 16) | (dest[i * 3 + 1] << 8)
+ | dest[i * 3];
+ if (d & 0x800000)
+ d |= 0xff000000;
+
+ g_assert_cmpint(d, ==, src[i]);
+ }
+}
+
+void
+test_pcm_unpack_24()
+{
+ constexpr unsigned N = 256;
+ const auto src = TestDataBuffer<uint8_t, N * 3>();
+
+ int32_t dest[N];
+ pcm_unpack_24(dest, src.begin(), src.end());
+
+ for (unsigned i = 0; i < N; ++i) {
+ int32_t s;
+ if (G_BYTE_ORDER == G_BIG_ENDIAN)
+ s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
+ | src[i * 3 + 2];
+ else
+ s = (src[i * 3 + 2] << 16) | (src[i * 3 + 1] << 8)
+ | src[i * 3];
+ if (s & 0x800000)
+ s |= 0xff000000;
+
+ g_assert_cmpint(s, ==, dest[i]);
+ }
+}