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-rw-r--r--test/test_pcm_export.cxx129
1 files changed, 129 insertions, 0 deletions
diff --git a/test/test_pcm_export.cxx b/test/test_pcm_export.cxx
new file mode 100644
index 000000000..410e64e4d
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+++ b/test/test_pcm_export.cxx
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2003-2014 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 "config.h"
+#include "test_pcm_all.hxx"
+#include "pcm/PcmExport.hxx"
+#include "system/ByteOrder.hxx"
+#include "util/ConstBuffer.hxx"
+
+#include <string.h>
+
+void
+PcmExportTest::TestShift8()
+{
+ static constexpr int32_t src[] = { 0x0, 0x1, 0x100, 0x10000, 0xffffff };
+ static constexpr uint32_t expected[] = { 0x0, 0x100, 0x10000, 0x1000000, 0xffffff00 };
+
+ PcmExport e;
+ e.Open(SampleFormat::S24_P32, 2, false, true, false, false);
+
+ auto dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(sizeof(expected), dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, expected, dest.size) == 0);
+}
+
+void
+PcmExportTest::TestPack24()
+{
+ static constexpr int32_t src[] = { 0x0, 0x1, 0x100, 0x10000, 0xffffff };
+
+ static constexpr uint8_t expected_be[] = {
+ 0, 0, 0x0,
+ 0, 0, 0x1,
+ 0, 0x1, 0x00,
+ 0x1, 0x00, 0x00,
+ 0xff, 0xff, 0xff,
+ };
+
+ static constexpr uint8_t expected_le[] = {
+ 0, 0, 0x0,
+ 0x1, 0, 0,
+ 0x00, 0x1, 0,
+ 0, 0x00, 0x01,
+ 0xff, 0xff, 0xff,
+ };
+
+ static constexpr size_t expected_size = sizeof(expected_be);
+ static const uint8_t *const expected = IsBigEndian()
+ ? expected_be : expected_le;
+
+ PcmExport e;
+ e.Open(SampleFormat::S24_P32, 2, false, false, true, false);
+
+ auto dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(expected_size, dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, expected, dest.size) == 0);
+}
+
+void
+PcmExportTest::TestReverseEndian()
+{
+ static constexpr uint8_t src[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
+ };
+
+ static constexpr uint8_t expected2[] = {
+ 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11
+ };
+
+ static constexpr uint8_t expected4[] = {
+ 4, 3, 2, 1, 8, 7, 6, 5, 12, 11, 10, 9,
+ };
+
+ PcmExport e;
+ e.Open(SampleFormat::S8, 2, false, false, false, true);
+
+ auto dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(sizeof(src), dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, src, dest.size) == 0);
+
+ e.Open(SampleFormat::S16, 2, false, false, false, true);
+ dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(sizeof(expected2), dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, expected2, dest.size) == 0);
+
+ e.Open(SampleFormat::S32, 2, false, false, false, true);
+ dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(sizeof(expected4), dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, expected4, dest.size) == 0);
+}
+
+void
+PcmExportTest::TestDop()
+{
+ static constexpr uint8_t src[] = {
+ 0x01, 0x23, 0x45, 0x67,
+ 0x89, 0xab, 0xcd, 0xef,
+ };
+
+ static constexpr uint32_t expected[] = {
+ 0xff050145,
+ 0xff052367,
+ 0xfffa89cd,
+ 0xfffaabef,
+ };
+
+ PcmExport e;
+ e.Open(SampleFormat::DSD, 2, true, false, false, false);
+
+ auto dest = e.Export({src, sizeof(src)});
+ CPPUNIT_ASSERT_EQUAL(sizeof(expected), dest.size);
+ CPPUNIT_ASSERT(memcmp(dest.data, expected, dest.size) == 0);
+}