basis/core-text/core-text-tests.factor

   1 ! Copyright (C) 2009 Slava Pestov.
   2 ! See http://factorcode.org/license.txt for BSD license.
   3 USING: tools.test core-text core-foundation
   4 core-foundation.dictionaries destructors
   5 arrays kernel generalizations math accessors
   6 core-foundation.utilities
   7 combinators hashtables colors ;
   8 IN: core-text.tests
   9
  10 : test-font ( name -- font )
  11     [ >cf &CFRelease 0.0 f CTFontCreateWithName ] with-destructors ;
  12
  13 [ ] [ "Helvetica" test-font CFRelease ] unit-test
  14
  15 [ ] [
  16     [
  17         kCTFontAttributeName "Helvetica" test-font &CFRelease 2array 1array
  18         <CFDictionary> &CFRelease drop
  19     ] with-destructors
  20 ] unit-test
  21
  22 : test-typographic-bounds ( string font -- ? )
  23     [
  24         test-font &CFRelease white <CTLine> &CFRelease
  25         line-typographic-bounds {
  26             [ width>> float? ]
  27             [ ascent>> float? ]
  28             [ descent>> float? ]
  29             [ leading>> float? ]
  30         } cleave and and and
  31     ] with-destructors ;
  32
  33 [ t ] [ "Hello world" "Helvetica" test-typographic-bounds ] unit-test
  34
  35 [ t ] [ "Hello world" "Chicago" test-typographic-bounds ] unit-test
  36
  37 [ t ] [ "日本語" "Helvetica" test-typographic-bounds ] unit-test