Add test for initialisation on pre-3.64 UCS FM

This exercises the broken Font_EnumerateCharacters workaround.

Ensure tests don't trample on each other by having them run in a
temporary directory.

5 files changed, 131 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index bfaf61e..7bc8c9d 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,7 @@ else
   # __inline__ is a GCCism
   CFLAGS := $(CFLAGS) -Dinline="__inline__"
 endif
+CFLAGS := $(CFLAGS) -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=500
 
 # OSLib
 ifneq ($(findstring clean,$(MAKECMDGOALS)),clean)
diff --git a/test/INDEX b/test/INDEX
index 65b87ab..0cbf010 100644
--- a/test/INDEX
+++ b/test/INDEX
@@ -3,3 +3,4 @@
 # Test		Description				DataDir
 nofonts		Ensure a lack of fonts "works"
 ucsinit		Ensure that UCS FM initialisation works
+olducsinit	Ensure that UCS FM (pre 3.64) initialisation works
diff --git a/test/Makefile b/test/Makefile
index 433a567..2e773ac 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,6 @@
 # Tests
 DIR_TEST_ITEMS := nofonts:nofonts.c;harness.c;mocks.c \
+	olducsinit:olducsinit.c;harness.c;mocks.c \
 	ucsinit:ucsinit.c;harness.c;mocks.c
 
 ifeq ($(HOST),arm-unknown-riscos)
diff --git a/test/olducsinit.c b/test/olducsinit.c
new file mode 100644
index 0000000..ea1109d
--- /dev/null
+++ b/test/olducsinit.c
@@ -0,0 +1,98 @@
+#include <ftw.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "rufl.h"
+
+#include "harness.h"
+#include "testutils.h"
+
+static char template[] = "/tmp/olducsinitXXXXXX";
+static const char *ptmp = NULL;
+
+static int ftw_cb(const char *path, const struct stat *sb,
+		int typeflag, struct FTW *ftwbuf)
+{
+	(void) sb;
+	(void) typeflag;
+	(void) ftwbuf;
+
+	remove(path);
+
+	return 0;
+}
+
+static void cleanup(void)
+{
+	if (ptmp == NULL)
+		return;
+
+	nftw(ptmp, ftw_cb, FOPEN_MAX, FTW_DEPTH | FTW_MOUNT | FTW_PHYS);
+}
+
+int main(int argc, const char **argv)
+{
+	int width, x;
+	size_t offset;
+	int32_t xkern, ykern, italic, ascent, descent, xheight, cap_height;
+	int8_t uline_position;
+	uint8_t uline_thickness;
+	os_box bbox;
+
+	UNUSED(argc);
+	UNUSED(argv);
+
+	ptmp = mkdtemp(template);
+	assert(NULL != ptmp);
+	atexit(cleanup);
+	chdir(ptmp);
+
+	rufl_test_harness_init(361, true, true);
+
+	assert(rufl_OK == rufl_init());
+	assert(NULL == rufl_fm_error);
+	assert(3 == rufl_family_list_entries);
+	assert(NULL != rufl_family_menu);
+
+	assert(rufl_OK == rufl_font_metrics("Corpus", rufl_WEIGHT_500,
+			&bbox, &xkern, &ykern, &italic,
+			&ascent, &descent, &xheight, &cap_height,
+			&uline_position, &uline_thickness));
+	assert(0 == bbox.x0);
+	assert(2 == bbox.x1);
+	assert(0 == bbox.y0);
+	assert(2 == bbox.y1);
+	assert(0 == xkern);
+	assert(0 == ykern);
+	assert(0 == italic);
+	assert(0 == ascent);
+	assert(0 == descent);
+	assert((bbox.y1 - bbox.y0) == cap_height);
+	assert((cap_height / 2) == xheight);
+	assert(0 == uline_position);
+	assert(0 == uline_thickness);
+
+	assert(rufl_OK == rufl_width("Corpus", rufl_WEIGHT_500, 10,
+			(const uint8_t *) "!\xc2\xa0", 3, &width));
+	assert(2 == width);
+
+	assert(rufl_OK == rufl_x_to_offset("Homerton", rufl_WEIGHT_500, 10,
+			(const uint8_t *) "!\xc2\xa0", 3, 1,
+			&offset, &x));
+	assert(1 == offset);
+	assert(1 == x);
+
+	assert(rufl_OK == rufl_split("Trinity", rufl_WEIGHT_500, 10,
+			(const uint8_t *) "!\xc2\xa0", 3, 1,
+			&offset, &x));
+	assert(1 == offset);
+	assert(1 == x);
+
+	rufl_dump_state(true);
+
+	rufl_quit();
+
+	printf("PASS\n");
+
+	return 0;
+}
diff --git a/test/ucsinit.c b/test/ucsinit.c
index b3d8f53..7439030 100644
--- a/test/ucsinit.c
+++ b/test/ucsinit.c
@@ -1,10 +1,35 @@
+#include <ftw.h>
 #include <stdio.h>
+#include <unistd.h>
 
 #include "rufl.h"
 
 #include "harness.h"
 #include "testutils.h"
 
+static char template[] = "/tmp/ucsinitXXXXXX";
+static const char *ptmp = NULL;
+
+static int ftw_cb(const char *path, const struct stat *sb,
+		int typeflag, struct FTW *ftwbuf)
+{
+	(void) sb;
+	(void) typeflag;
+	(void) ftwbuf;
+
+	remove(path);
+
+	return 0;
+}
+
+static void cleanup(void)
+{
+	if (ptmp == NULL)
+		return;
+
+	nftw(ptmp, ftw_cb, FOPEN_MAX, FTW_DEPTH | FTW_MOUNT | FTW_PHYS);
+}
+
 int main(int argc, const char **argv)
 {
 	int width, x;
@@ -17,6 +42,11 @@ int main(int argc, const char **argv)
 	UNUSED(argc);
 	UNUSED(argv);
 
+	ptmp = mkdtemp(template);
+	assert(NULL != ptmp);
+	atexit(cleanup);
+	chdir(ptmp);
+
 	rufl_test_harness_init(380, true, true);
 
 	assert(rufl_OK == rufl_init());