diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_data.lua | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/test_data.lua b/test/test_data.lua index ec2b6ed..549ce40 100644 --- a/test/test_data.lua +++ b/test/test_data.lua @@ -505,3 +505,19 @@ assert(gate(100.0) == true, 'gate: first call opens') assert(gate(100.5) == false, 'gate: closed inside the interval') assert(gate(101.95) == true, 'gate: opens after it') assert(gate(102.0) == false, 'gate: interval restarts from the last open') + +-- Emoji fall back to card.FONT_EMOJI: the toy API has no per-glyph fallback, +-- so without the run split "x🦷" measured a tofu box in Noto Sans. +do + local s = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 10, 10) + local cr = cairo_create(s) + card.font(cr, 'Noto Emoji', 20, false) + local tooth = card.advance(cr, '🦷') + card.font(cr, card.FONT_UI, 20, false) + local x = card.advance(cr, 'x') + assert(math.abs(card.advance(cr, 'x🦷') - (x + tooth)) < 0.01, 'emoji run uses FONT_EMOJI') + assert(card.advance(cr, 'x') == x, 'caller face restored after an emoji run') + assert(pcall(card.advance, cr, '\240\159'), 'invalid UTF-8 must not raise') + cairo_destroy(cr) + cairo_surface_destroy(s) +end |