Add trivial paint check

Doesn't really do much more than ensure the code doesn't explode.
It's kinda hard to meaningfully make assertions here, however.

4 files changed, 13 insertions, 1 deletions

diff --git a/test/mocks.c b/test/mocks.c
index d17caa2..734211b 100644
--- a/test/mocks.c
+++ b/test/mocks.c
@@ -342,7 +342,7 @@ os_error *xfont_paint (font_f font, char const *string,
 	(void) trfm;
 	(void) length;
 
-	return &unimplemented;
+	return NULL;
 }
 
 os_error *xfont_scan_string (font_f font, char const *s,
diff --git a/test/oldfminit.c b/test/oldfminit.c
index 800b2f6..64563e1 100644
--- a/test/oldfminit.c
+++ b/test/oldfminit.c
@@ -321,6 +321,10 @@ int main(int argc, const char **argv)
 	assert(0 == bbox.y0);
 	assert(25 == bbox.y1);
 
+	/* Trivial render */
+	assert(rufl_OK == rufl_paint("Trinity", rufl_WEIGHT_500, 160,
+			(const uint8_t *) "!\xc2\xa0", 3, 0, 0, 0));
+
 	rufl_dump_state(true);
 
 	rufl_quit();
diff --git a/test/olducsinit.c b/test/olducsinit.c
index 863a626..f4e97af 100644
--- a/test/olducsinit.c
+++ b/test/olducsinit.c
@@ -108,6 +108,10 @@ int main(int argc, const char **argv)
 	assert(0 == bbox.y0);
 	assert(25 == bbox.y1);
 
+	/* Trivial render */
+	assert(rufl_OK == rufl_paint("Trinity", rufl_WEIGHT_500, 160,
+			(const uint8_t *) "!\xc2\xa0", 3, 0, 0, 0));
+
 	rufl_dump_state(true);
 
 	rufl_quit();
diff --git a/test/ucsinit.c b/test/ucsinit.c
index 2b1560a..5cd46d7 100644
--- a/test/ucsinit.c
+++ b/test/ucsinit.c
@@ -108,6 +108,10 @@ int main(int argc, const char **argv)
 	assert(0 == bbox.y0);
 	assert(25 == bbox.y1);
 
+	/* Trivial render */
+	assert(rufl_OK == rufl_paint("Trinity", rufl_WEIGHT_500, 160,
+			(const uint8_t *) "!\xc2\xa0", 3, 0, 0, 0));
+
 	rufl_dump_state(true);
 
 	rufl_quit();