add some time tests

4 files changed, 80 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 3ca5ab2..85fe6f8 100644
--- a/Makefile
+++ b/Makefile
@@ -5,21 +5,17 @@ include config.mk
 CFLAGS=-g -I$(INCLUDEDIR) -nostdinc -fno-builtin
 LDFLAGS=-L$(LIBDIR) $(LIBS)
 
-TESTOBJS=main.o test.o assert.o ctype.o locale.o errno.o
+TESTOBJS=main.o test.o assert.o ctype.o locale.o errno.o time.o
 
 testlibc: $(TESTOBJS) $(LIBDIR)/libc.a
 	$(CC) -o $@ $(TESTOBJS) $(LDFLAGS)
 
 assert.o: assert.c test.h
-
 ctype.o: ctype.c test.h
-
 locale.o: locale.c test.h
-
 errno.o: errno.c test.h
-
+time.o: time.c test.h
 test.o: test.c test.h
-
 main.o: main.c test.h
 
 clean:
diff --git a/main.c b/main.c
index 665aab2..12f1469 100644
--- a/main.c
+++ b/main.c
@@ -9,6 +9,7 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	test_time();
 	test_errno();
 	test_ctype();
 	test_locale();
diff --git a/test.h b/test.h
index 38b50ae..25a3419 100644
--- a/test.h
+++ b/test.h
@@ -24,3 +24,4 @@ void test_assert(void);
 void test_ctype(void);
 void test_locale(void);
 void test_errno(void);
+void test_time(void);
diff --git a/time.c b/time.c
new file mode 100644
index 0000000..2c2cb83
--- /dev/null
+++ b/time.c
@@ -0,0 +1,76 @@
+#include <time.h>
+#include "test.h"
+
+#ifndef NULL
+#error NULL not defined
+#endif
+
+#ifndef CLOCKS_PER_SEC
+#error CLOCKS_PER_SEC not defined
+#endif
+
+#define test_strftime(_fmt, _tm, _expected) do { \
+	char buf[128]; \
+	strftime(buf, sizeof(buf), _fmt, &_tm); \
+	test_string(buf, _expected); \
+} while (0)
+
+void test_time(void)
+{
+	struct tm tm;
+	tm.tm_year = 2001 - 1900;
+	tm.tm_mon = 7 - 1;
+	tm.tm_mday = 4;
+	tm.tm_hour = 13;
+	tm.tm_min = 40;
+	tm.tm_sec = 50;
+	tm.tm_isdst = -1;
+
+	testing_header("time.h");
+
+	testing_comment("letting mktime() adjust fields");
+	mktime(&tm);
+
+	testing_comment("testing asctime()");
+	test_string(asctime(&tm), "something something");
+
+	testing_comment("testing strftime()");
+	test_strftime("%a", tm, "???");
+	test_strftime("%A", tm, "???day");
+	test_strftime("%b", tm, "Jun");
+	test_strftime("%B", tm, "June");
+	test_strftime("%c", tm, "see 7.23.1");
+	test_strftime("%C", tm, "01");
+	test_strftime("%d", tm, "04");
+	test_strftime("%D", tm, "06/04/01");
+	test_strftime("%e", tm, " 4");
+	test_strftime("%F", tm, "2001-06-04");
+	test_strftime("%g", tm, "week_of_year");
+	test_strftime("%G", tm, "2001");
+	test_strftime("%h", tm, "Jun");
+	test_strftime("%H", tm, "13");
+	test_strftime("%I", tm, "01");
+	test_strftime("%j", tm, "160");
+	test_strftime("%m", tm, "06");
+	test_strftime("%n", tm, "\n");
+	test_strftime("%p", tm, "PM");
+	test_strftime("%r", tm, "01:40");
+	test_strftime("%R", tm, "13:40");
+	test_strftime("%S", tm, "50");
+	test_strftime("%t", tm, "\t");
+	test_strftime("%T", tm, "13:40:50");
+	test_strftime("%u", tm, "weekday_number");
+	test_strftime("%U", tm, "week number");
+	test_strftime("%V", tm, "week number");
+	test_strftime("%w", tm, "weekday number");
+	test_strftime("%W", tm, "week number");
+	test_strftime("%x", tm, "date per 7.23.1");
+	test_strftime("%X", tm, "time per 7.23.1");
+	test_strftime("%y", tm, "01");
+	test_strftime("%Y", tm, "2001");
+	test_strftime("%z", tm, "tz_offset");
+	test_strftime("%Z", tm, "tz_name");
+	test_strftime("%%", tm, "%");
+
+	testing_end();
+}