Refactor libavutil/parseutils.c

All tests were in the main method which produces a long main. Now, each test
is in his own method.

I think this produces a more clear code and follows more with the main
priority of FFmpeg "simplicity and small code size"

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 175 insertions, 163 deletions

diff --git a/libavutil/parseutils.c b/libavutil/parseutils.c
index 0097bec..43bd4eb 100644
--- a/libavutil/parseutils.c
+++ b/libavutil/parseutils.c
@@ -749,180 +749,192 @@ static uint32_t av_get_random_seed_deterministic(void)
     return randomv = randomv * 1664525 + 1013904223;
 }
 
-int main(void)
+static void test_av_parse_video_rate(void)
 {
-    printf("Testing av_parse_video_rate()\n");
-    {
-        int i;
-        static const char *const rates[] = {
-            "-inf",
-            "inf",
-            "nan",
-            "123/0",
-            "-123 / 0",
-            "",
-            "/",
-            " 123  /  321",
-            "foo/foo",
-            "foo/1",
-            "1/foo",
-            "0/0",
-            "/0",
-            "1/",
-            "1",
-            "0",
-            "-123/123",
-            "-foo",
-            "123.23",
-            ".23",
-            "-.23",
-            "-0.234",
-            "-0.0000001",
-            "  21332.2324   ",
-            " -21332.2324   ",
-        };
-
-        for (i = 0; i < FF_ARRAY_ELEMS(rates); i++) {
-            int ret;
-            AVRational q = { 0, 0 };
-            ret = av_parse_video_rate(&q, rates[i]);
-            printf("'%s' -> %d/%d %s\n",
-                   rates[i], q.num, q.den, ret ? "ERROR" : "OK");
-        }
+    int i;
+    static const char *const rates[] = {
+        "-inf",
+        "inf",
+        "nan",
+        "123/0",
+        "-123 / 0",
+        "",
+        "/",
+        " 123  /  321",
+        "foo/foo",
+        "foo/1",
+        "1/foo",
+        "0/0",
+        "/0",
+        "1/",
+        "1",
+        "0",
+        "-123/123",
+        "-foo",
+        "123.23",
+        ".23",
+        "-.23",
+        "-0.234",
+        "-0.0000001",
+        "  21332.2324   ",
+        " -21332.2324   ",
+    };
+
+    for (i = 0; i < FF_ARRAY_ELEMS(rates); i++) {
+        int ret;
+        AVRational q = { 0, 0 };
+        ret = av_parse_video_rate(&q, rates[i]);
+        printf("'%s' -> %d/%d %s\n",
+               rates[i], q.num, q.den, ret ? "ERROR" : "OK");
     }
+}
 
-    printf("\nTesting av_parse_color()\n");
-    {
-        int i;
-        uint8_t rgba[4];
-        static const char *const color_names[] = {
-            "bikeshed",
-            "RaNdOm",
-            "foo",
-            "red",
-            "Red ",
-            "RED",
-            "Violet",
-            "Yellow",
-            "Red",
-            "0x000000",
-            "0x0000000",
-            "0xff000000",
-            "0x3e34ff",
-            "0x3e34ffaa",
-            "0xffXXee",
-            "0xfoobar",
-            "0xffffeeeeeeee",
-            "#ff0000",
-            "#ffXX00",
-            "ff0000",
-            "ffXX00",
-            "red@foo",
-            "random@10",
-            "0xff0000@1.0",
-            "red@",
-            "red@0xfff",
-            "red@0xf",
-            "red@2",
-            "red@0.1",
-            "red@-1",
-            "red@0.5",
-            "red@1.0",
-            "red@256",
-            "red@10foo",
-            "red@-1.0",
-            "red@-0.0",
-        };
-
-        av_log_set_level(AV_LOG_DEBUG);
-
-        for (i = 0;  i < FF_ARRAY_ELEMS(color_names); i++) {
-            if (av_parse_color(rgba, color_names[i], -1, NULL) >= 0)
-                printf("%s -> R(%d) G(%d) B(%d) A(%d)\n",
-                       color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]);
-            else
-                printf("%s -> error\n", color_names[i]);
-        }
+static void test_av_parse_color(void)
+{
+    int i;
+    uint8_t rgba[4];
+    static const char *const color_names[] = {
+        "bikeshed",
+        "RaNdOm",
+        "foo",
+        "red",
+        "Red ",
+        "RED",
+        "Violet",
+        "Yellow",
+        "Red",
+        "0x000000",
+        "0x0000000",
+        "0xff000000",
+        "0x3e34ff",
+        "0x3e34ffaa",
+        "0xffXXee",
+        "0xfoobar",
+        "0xffffeeeeeeee",
+        "#ff0000",
+        "#ffXX00",
+        "ff0000",
+        "ffXX00",
+        "red@foo",
+        "random@10",
+        "0xff0000@1.0",
+        "red@",
+        "red@0xfff",
+        "red@0xf",
+        "red@2",
+        "red@0.1",
+        "red@-1",
+        "red@0.5",
+        "red@1.0",
+        "red@256",
+        "red@10foo",
+        "red@-1.0",
+        "red@-0.0",
+    };
+
+    av_log_set_level(AV_LOG_DEBUG);
+
+    for (i = 0;  i < FF_ARRAY_ELEMS(color_names); i++) {
+        if (av_parse_color(rgba, color_names[i], -1, NULL) >= 0)
+            printf("%s -> R(%d) G(%d) B(%d) A(%d)\n",
+                   color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]);
+        else
+            printf("%s -> error\n", color_names[i]);
     }
+}
 
-    printf("\nTesting av_small_strptime()\n");
-    {
-        int i;
-        struct tm tm = { 0 };
-        struct fmt_timespec_entry {
-            const char *fmt, *timespec;
-        } fmt_timespec_entries[] = {
-            { "%Y-%m-%d",                    "2012-12-21" },
-            { "%Y - %m - %d",                "2012-12-21" },
-            { "%Y-%m-%d %H:%M:%S",           "2012-12-21 20:12:21" },
-            { "  %Y - %m - %d %H : %M : %S", "   2012 - 12 -  21   20 : 12 : 21" },
-        };
-
-        av_log_set_level(AV_LOG_DEBUG);
-        for (i = 0;  i < FF_ARRAY_ELEMS(fmt_timespec_entries); i++) {
-            char *p;
-            struct fmt_timespec_entry *e = &fmt_timespec_entries[i];
-            printf("fmt:'%s' spec:'%s' -> ", e->fmt, e->timespec);
-            p = av_small_strptime(e->timespec, e->fmt, &tm);
-            if (p) {
-                printf("%04d-%02d-%2d %02d:%02d:%02d\n",
-                       1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday,
-                       tm.tm_hour, tm.tm_min, tm.tm_sec);
-            } else {
-                printf("error\n");
-            }
+static void test_av_small_strptime(void)
+{
+    int i;
+    struct tm tm = { 0 };
+    struct fmt_timespec_entry {
+        const char *fmt, *timespec;
+    } fmt_timespec_entries[] = {
+        { "%Y-%m-%d",                    "2012-12-21" },
+        { "%Y - %m - %d",                "2012-12-21" },
+        { "%Y-%m-%d %H:%M:%S",           "2012-12-21 20:12:21" },
+        { "  %Y - %m - %d %H : %M : %S", "   2012 - 12 -  21   20 : 12 : 21" },
+    };
+
+    av_log_set_level(AV_LOG_DEBUG);
+    for (i = 0;  i < FF_ARRAY_ELEMS(fmt_timespec_entries); i++) {
+        char *p;
+        struct fmt_timespec_entry *e = &fmt_timespec_entries[i];
+        printf("fmt:'%s' spec:'%s' -> ", e->fmt, e->timespec);
+        p = av_small_strptime(e->timespec, e->fmt, &tm);
+        if (p) {
+            printf("%04d-%02d-%2d %02d:%02d:%02d\n",
+                   1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday,
+                   tm.tm_hour, tm.tm_min, tm.tm_sec);
+        } else {
+            printf("error\n");
         }
     }
+}
 
-    printf("\nTesting av_parse_time()\n");
-    {
-        int i;
-        int64_t tv;
-        time_t tvi;
-        struct tm *tm;
-        static char tzstr[] = "TZ=CET-1";
-        static const char * const time_string[] = {
-            "now",
-            "12:35:46",
-            "2000-12-20 0:02:47.5z",
-            "2012 - 02-22  17:44:07",
-            "2000-12-20T010247.6",
-            "2000-12-12 1:35:46+05:30",
-            "2002-12-12 22:30:40-02",
-        };
-        static const char * const duration_string[] = {
-            "2:34:56.79",
-            "-1:23:45.67",
-            "42.1729",
-            "-1729.42",
-            "12:34",
-        };
-
-        av_log_set_level(AV_LOG_DEBUG);
-        putenv(tzstr);
-        printf("(now is 2012-03-17 09:14:13.2 +0100, local time is UTC+1)\n");
-        for (i = 0;  i < FF_ARRAY_ELEMS(time_string); i++) {
-            printf("%-24s -> ", time_string[i]);
-            if (av_parse_time(&tv, time_string[i], 0)) {
-                printf("error\n");
-            } else {
-                tvi = tv / 1000000;
-                tm = gmtime(&tvi);
-                printf("%14"PRIi64".%06d = %04d-%02d-%02dT%02d:%02d:%02dZ\n",
-                       tv / 1000000, (int)(tv % 1000000),
-                       tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
-                       tm->tm_hour, tm->tm_min, tm->tm_sec);
-            }
+static void test_av_parse_time(void)
+{
+    int i;
+    int64_t tv;
+    time_t tvi;
+    struct tm *tm;
+    static char tzstr[] = "TZ=CET-1";
+    static const char * const time_string[] = {
+        "now",
+        "12:35:46",
+        "2000-12-20 0:02:47.5z",
+        "2012 - 02-22  17:44:07",
+        "2000-12-20T010247.6",
+        "2000-12-12 1:35:46+05:30",
+        "2002-12-12 22:30:40-02",
+    };
+    static const char * const duration_string[] = {
+        "2:34:56.79",
+        "-1:23:45.67",
+        "42.1729",
+        "-1729.42",
+        "12:34",
+    };
+
+    av_log_set_level(AV_LOG_DEBUG);
+    putenv(tzstr);
+    printf("(now is 2012-03-17 09:14:13.2 +0100, local time is UTC+1)\n");
+    for (i = 0;  i < FF_ARRAY_ELEMS(time_string); i++) {
+        printf("%-24s -> ", time_string[i]);
+        if (av_parse_time(&tv, time_string[i], 0)) {
+            printf("error\n");
+        } else {
+            tvi = tv / 1000000;
+            tm = gmtime(&tvi);
+            printf("%14"PRIi64".%06d = %04d-%02d-%02dT%02d:%02d:%02dZ\n",
+                   tv / 1000000, (int)(tv % 1000000),
+                   tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
+                   tm->tm_hour, tm->tm_min, tm->tm_sec);
         }
-        for (i = 0;  i < FF_ARRAY_ELEMS(duration_string); i++) {
-            printf("%-24s -> ", duration_string[i]);
-            if (av_parse_time(&tv, duration_string[i], 1)) {
-                printf("error\n");
-            } else {
-                printf("%+21"PRIi64"\n", tv);
-            }
+    }
+    for (i = 0;  i < FF_ARRAY_ELEMS(duration_string); i++) {
+        printf("%-24s -> ", duration_string[i]);
+        if (av_parse_time(&tv, duration_string[i], 1)) {
+            printf("error\n");
+        } else {
+            printf("%+21"PRIi64"\n", tv);
         }
     }
+}
+
+int main(void)
+{
+    printf("Testing av_parse_video_rate()\n");
+    test_av_parse_video_rate();
+
+    printf("\nTesting av_parse_color()\n");
+    test_av_parse_color();
+
+    printf("\nTesting av_small_strptime()\n");
+    test_av_small_strptime();
+
+    printf("\nTesting av_parse_time()\n");
+    test_av_parse_time();
 
     return 0;
 }