From 5ec6074f0633939fd17d94111d10c6c6b062978c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 11:49:36 +0200
Subject: Adding upstream version 1:2.30.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/helper/test-date.c | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 t/helper/test-date.c

(limited to 't/helper/test-date.c')

diff --git a/t/helper/test-date.c b/t/helper/test-date.c
new file mode 100644
index 0000000..099eff4
--- /dev/null
+++ b/t/helper/test-date.c
@@ -0,0 +1,132 @@
+#include "test-tool.h"
+#include "cache.h"
+
+static const char *usage_msg = "\n"
+"  test-tool date relative [time_t]...\n"
+"  test-tool date human [time_t]...\n"
+"  test-tool date show:<format> [time_t]...\n"
+"  test-tool date parse [date]...\n"
+"  test-tool date approxidate [date]...\n"
+"  test-tool date timestamp [date]...\n"
+"  test-tool date getnanos [start-nanos]\n"
+"  test-tool date is64bit\n"
+"  test-tool date time_t-is64bit\n";
+
+static void show_relative_dates(const char **argv)
+{
+	struct strbuf buf = STRBUF_INIT;
+
+	for (; *argv; argv++) {
+		time_t t = atoi(*argv);
+		show_date_relative(t, &buf);
+		printf("%s -> %s\n", *argv, buf.buf);
+	}
+	strbuf_release(&buf);
+}
+
+static void show_human_dates(const char **argv)
+{
+	for (; *argv; argv++) {
+		time_t t = atoi(*argv);
+		printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(HUMAN)));
+	}
+}
+
+static void show_dates(const char **argv, const char *format)
+{
+	struct date_mode mode;
+
+	parse_date_format(format, &mode);
+	for (; *argv; argv++) {
+		char *arg;
+		timestamp_t t;
+		int tz;
+
+		/*
+		 * Do not use our normal timestamp parsing here, as the point
+		 * is to test the formatting code in isolation.
+		 */
+		t = parse_timestamp(*argv, &arg, 10);
+		while (*arg == ' ')
+			arg++;
+		tz = atoi(arg);
+
+		printf("%s -> %s\n", *argv, show_date(t, tz, &mode));
+	}
+}
+
+static void parse_dates(const char **argv)
+{
+	struct strbuf result = STRBUF_INIT;
+
+	for (; *argv; argv++) {
+		timestamp_t t;
+		int tz;
+
+		strbuf_reset(&result);
+		parse_date(*argv, &result);
+		if (sscanf(result.buf, "%"PRItime" %d", &t, &tz) == 2)
+			printf("%s -> %s\n",
+			       *argv, show_date(t, tz, DATE_MODE(ISO8601)));
+		else
+			printf("%s -> bad\n", *argv);
+	}
+	strbuf_release(&result);
+}
+
+static void parse_approxidate(const char **argv)
+{
+	for (; *argv; argv++) {
+		timestamp_t t;
+		t = approxidate_relative(*argv);
+		printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
+	}
+}
+
+static void parse_approx_timestamp(const char **argv)
+{
+	for (; *argv; argv++) {
+		timestamp_t t;
+		t = approxidate_relative(*argv);
+		printf("%s -> %"PRItime"\n", *argv, t);
+	}
+}
+
+static void getnanos(const char **argv)
+{
+	double seconds = getnanotime() / 1.0e9;
+
+	if (*argv)
+		seconds -= strtod(*argv, NULL);
+	printf("%lf\n", seconds);
+}
+
+int cmd__date(int argc, const char **argv)
+{
+	const char *x;
+
+	argv++;
+	if (!*argv)
+		usage(usage_msg);
+	if (!strcmp(*argv, "relative"))
+		show_relative_dates(argv+1);
+	else if (!strcmp(*argv, "human"))
+		show_human_dates(argv+1);
+	else if (skip_prefix(*argv, "show:", &x))
+		show_dates(argv+1, x);
+	else if (!strcmp(*argv, "parse"))
+		parse_dates(argv+1);
+	else if (!strcmp(*argv, "approxidate"))
+		parse_approxidate(argv+1);
+	else if (!strcmp(*argv, "timestamp"))
+		parse_approx_timestamp(argv+1);
+	else if (!strcmp(*argv, "getnanos"))
+		getnanos(argv+1);
+	else if (!strcmp(*argv, "is64bit"))
+		return sizeof(timestamp_t) == 8 ? 0 : 1;
+	else if (!strcmp(*argv, "time_t-is64bit"))
+		return sizeof(time_t) == 8 ? 0 : 1;
+	else
+		usage(usage_msg);
+	return 0;
+}
-- 
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