From aec7ae67aa72f3105232fa7a66c1ea013c840da1 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 17 Jan 2008 13:28:55 +0000 Subject: [PATCH] [test/text-zero-len] Test the public cairo_scaled_font_* with NULLs. Pass NULL to cairo_scaled_font_(text|glyph)_extents() to test the consistency of the extents API. --- test/text-zero-len.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/test/text-zero-len.c b/test/text-zero-len.c index e64daa87b..b8cdce6d0 100644 --- a/test/text-zero-len.c +++ b/test/text-zero-len.c @@ -71,6 +71,7 @@ draw (cairo_t *cr, int width, int height) { cairo_text_extents_t nil_extents; cairo_text_extents_t extents; + cairo_scaled_font_t *scaled_font; cairo_select_font_face (cr, "Bitstream Vera Sans", CAIRO_FONT_SLANT_NORMAL, @@ -121,6 +122,38 @@ draw (cairo_t *cr, int width, int height) return CAIRO_TEST_FAILURE; } + scaled_font = cairo_get_scaled_font (cr); + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_text_extents (scaled_font, "", &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log ("Error: cairo_scaled_font_text_extents(\"\"); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_text_extents (scaled_font, NULL, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log ("Error: cairo_scaled_font_text_extents(NULL); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_glyph_extents (scaled_font, (void*)8, 0, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log ("Error: cairo_scaled_font_glyph_extents(NULL); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + return CAIRO_TEST_SUCCESS; }