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[test/text-zero-len] Test the public cairo_scaled_font_* with NULLs.

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Pass NULL to cairo_scaled_font_(text|glyph)_extents() to test the
consistency of the extents API.
This commit is contained in:
Chris Wilson 2008-01-17 13:28:55 +00:00
parent 390e22894b
commit aec7ae67aa
1 changed files with 33 additions and 0 deletions
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33
test/text-zero-len.c
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@ -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;
}