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[test/buffer] Test reverse() and reverse_clusters()

This commit is contained in:
Behdad Esfahbod 2011-04-28 11:56:29 -04:00
parent 5fa849b77d
commit db126b5448
1 changed files with 57 additions and 4 deletions
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61
test/test-buffer.c
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@ -129,6 +129,12 @@ test_buffer_contents (Fixture *fixture, gconstpointer user_data)
glyphs = hb_buffer_get_glyph_infos (fixture->b, &len);
g_assert_cmpint (len, ==, 5);
for (i = 0; i < len; i++) {
g_assert_cmphex (glyphs[i].mask, ==, 1);
g_assert_cmphex (glyphs[i].var1.u32, ==, 0);
g_assert_cmphex (glyphs[i].var2.u32, ==, 0);
}
for (i = 0; i < len; i++) {
unsigned int cluster;
cluster = 1+i;
@ -140,10 +146,58 @@ test_buffer_contents (Fixture *fixture, gconstpointer user_data)
}
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
g_assert_cmphex (glyphs[i].cluster, ==, cluster);
g_assert_cmphex (glyphs[i].mask, ==, 1);
g_assert_cmphex (glyphs[i].var1.u32, ==, 0);
g_assert_cmphex (glyphs[i].var2.u32, ==, 0);
}
/* reverse, test, and reverse back */
hb_buffer_reverse (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
hb_buffer_reverse (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* reverse_clusters works same as reverse for now since each codepoint is
* in its own cluster */
hb_buffer_reverse_clusters (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
hb_buffer_reverse_clusters (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* now form a cluster and test again */
glyphs[2].cluster = glyphs[1].cluster;
/* reverse, test, and reverse back */
hb_buffer_reverse (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
hb_buffer_reverse (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* reverse_clusters twice still should return the original string,
* but when applied once, the 1-2 cluster should be retained. */
hb_buffer_reverse_clusters (fixture->b);
for (i = 0; i < len; i++) {
unsigned int j = len-1-i;
if (j == 1)
j = 2;
else if (j == 2)
j = 1;
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]);
}
hb_buffer_reverse_clusters (fixture->b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
}
static void
@ -184,7 +238,6 @@ main (int argc, char **argv)
}
/* XXX test invalid UTF-8 / UTF-16 text input (also overlong sequences) */
/* XXX test reverse() and reverse_clusters() */
/* XXX test pre_allocate(), allocation_successful(), and memory management */
/* XXX test buffer reset */
/* XXX test buffer set length */