[FFmpeg-devel] [PATCH v2 5/7] avutil/tests: add test for avutil/mathematics

[pal at sandflow.com]

From: Pierre-Anthony Lemieux <pal at palemieux.com>

---
 libavutil/Makefile            |  1 +
 libavutil/tests/.gitignore    |  1 +
 libavutil/tests/mathematics.c | 57 +++++++++++++++++++++++++++++++++++
 tests/fate/libavutil.mak      |  5 +++
 4 files changed, 64 insertions(+)
 create mode 100644 libavutil/tests/mathematics.c

diff --git a/libavutil/Makefile b/libavutil/Makefile
index d17876df1a..d1c002e43f 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -239,6 +239,7 @@ TESTPROGS = adler32                                                     \
             lfg                                                         \
             lls                                                         \
             log                                                         \
+            mathematics                                                 \
             md5                                                         \
             murmur3                                                     \
             opt                                                         \
diff --git a/libavutil/tests/.gitignore b/libavutil/tests/.gitignore
index 9d90827954..aba94af388 100644
--- a/libavutil/tests/.gitignore
+++ b/libavutil/tests/.gitignore
@@ -30,6 +30,7 @@
 /lls
 /log
 /lzo
+/mathematics
 /md5
 /murmur3
 /opt
diff --git a/libavutil/tests/mathematics.c b/libavutil/tests/mathematics.c
new file mode 100644
index 0000000000..45a82617aa
--- /dev/null
+++ b/libavutil/tests/mathematics.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2022 Pierre-Anthony Lemieux <pal at palemieux.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/mathematics.h"
+
+int main(void)
+{
+  int64_t ts_min;
+  int64_t ts;
+  int64_t ts_max;
+
+  ts_min = 10;
+  ts     = 20;
+  ts_max = 30;
+
+  av_rescale_interval(av_make_q(1, 1), av_make_q(10, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 1 || ts != 2 || ts_max != 3)
+    return 1;
+
+  ts_min = 10;
+  ts     = 32;
+  ts_max = 32;
+
+  av_rescale_interval(av_make_q(1, 1), av_make_q(3, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 4 || ts != 11 || ts_max != 10)
+    return 1;
+
+  ts_min = 10;
+  ts     = 10;
+  ts_max = 32;
+
+  av_rescale_interval(av_make_q(1, 1), av_make_q(3, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 4 || ts != 3 || ts_max != 10)
+    return 1;
+
+  return 0;
+}
diff --git a/tests/fate/libavutil.mak b/tests/fate/libavutil.mak
index 1ec9ed00ad..92b9b82aa8 100644
--- a/tests/fate/libavutil.mak
+++ b/tests/fate/libavutil.mak
@@ -166,6 +166,11 @@ FATE_LIBAVUTIL += fate-opt
 fate-opt: libavutil/tests/opt$(EXESUF)
 fate-opt: CMD = run libavutil/tests/opt$(EXESUF)
 
+FATE_LIBAVUTIL += fate-mathematics
+fate-mathematics: libavutil/tests/mathematics$(EXESUF)
+fate-mathematics: CMD = run libavutil/tests/mathematics$(EXESUF)
+fate-mathematics: CMP = null
+
 FATE_LIBAVUTIL += $(FATE_LIBAVUTIL-yes)
 FATE-$(CONFIG_AVUTIL) += $(FATE_LIBAVUTIL)
 fate-libavutil: $(FATE_LIBAVUTIL)
-- 
2.17.1