add locale tests

3 files changed, 86 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 9d01eb8..cf84102 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,15 @@
 CC=c89
 CFLAGS=-Wall -Wextra -Wpedantic
 
-testlibc: main.o test.o assert.o ctype.o
+testlibc: main.o test.o assert.o ctype.o locale.o
 	$(CC) -o $@ *.o
 
 assert.o: assert.c test.h
 
 ctype.o: ctype.c test.h
 
+locale.o: locale.c test.h
+
 test.o: test.c test.h
 
 main.o: main.c test.h
diff --git a/locale.c b/locale.c
new file mode 100644
index 0000000..629ef0b
--- /dev/null
+++ b/locale.c
@@ -0,0 +1,75 @@
+#include <locale.h>
+#include <limits.h>
+#include "test.h"
+
+void test_locale(void)
+{
+	struct lconv *lc;
+
+	testing_header("locale.h");
+
+#ifndef LC_ALL
+#error LC_ALL not defined
+#endif
+
+#ifndef LC_COLLATE
+#error LC_COLLATE not defined
+#endif
+
+#ifndef LC_CTYPE
+#error LC_CTYPE not defined
+#endif
+
+#ifndef LC_MONETARY
+#error LC_MONETARY not defined
+#endif
+
+#ifndef LC_NUMERIC
+#error LC_NUMERIC not defined
+#endif
+
+#ifndef LC_TIME
+#error LC_TIME not defined
+#endif
+
+	test_true(LC_ALL != LC_COLLATE);
+	test_true(LC_ALL != LC_CTYPE);
+	test_true(LC_ALL != LC_MONETARY);
+	test_true(LC_ALL != LC_NUMERIC);
+	test_true(LC_ALL != LC_TIME);
+
+	test_true(LC_COLLATE != LC_CTYPE);
+	test_true(LC_COLLATE != LC_MONETARY);
+	test_true(LC_COLLATE != LC_NUMERIC);
+	test_true(LC_COLLATE != LC_TIME);
+
+	test_true(LC_CTYPE != LC_MONETARY);
+	test_true(LC_CTYPE != LC_NUMERIC);
+	test_true(LC_CTYPE != LC_TIME);
+
+	test_true(LC_MONETARY != LC_NUMERIC);
+	test_true(LC_MONETARY != LC_TIME);
+
+	test_true(LC_NUMERIC != LC_TIME);
+
+	/* TODO: test setlocale() */
+
+	testing_comment("testing results of localeconv()");
+	lc = localeconv();
+	test_string(lc->decimal_point, ".");
+	test_string(lc->thousands_sep, "");
+	test_string(lc->grouping, "");
+	test_string(lc->int_curr_symbol, "");
+	test_string(lc->currency_symbol, "");
+	test_string(lc->mon_decimal_point, "");
+	test_string(lc->mon_thousands_sep, "");
+	test_string(lc->positive_sign, "");
+	test_string(lc->negative_sign, "");
+	test_int_equals(lc->frac_digits, CHAR_MAX);
+	test_int_equals(lc->p_cs_precedes, CHAR_MAX);
+	test_int_equals(lc->p_sep_by_space, CHAR_MAX);
+	test_int_equals(lc->n_cs_precedes, CHAR_MAX);
+	test_int_equals(lc->n_sep_by_space, CHAR_MAX);
+	test_int_equals(lc->p_sign_posn, CHAR_MAX);
+	test_int_equals(lc->n_sign_posn, CHAR_MAX);
+}
diff --git a/main.c b/main.c
index 09c2d4a..be6fc76 100644
--- a/main.c
+++ b/main.c
@@ -1,8 +1,15 @@
+#include <string.h>
 #include "test.h"
 
 int main(int argc, char *argv[])
 {
+	if (argc == 2) {
+		if (!strcmp(argv[1], "assert")) {
+			test_assert();
+		}
+	}
+
 	test_ctype();
-	test_assert();
+	test_locale();
 	return 0;
 }