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tests: Improve Unicode composition code coverage

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This adds various additional tests to cover branches of `gunidecomp.c`
which are not already covered, bringing our branch coverage of that file
up to 100% (if you ignore `g_utf8_normalize()`, which is tested by
`unicode-normalize.c` and I’m counting it separately).

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

Helps: #3470
This commit is contained in:
Philip Withnall 2024-10-21 19:24:17 +01:00
parent 0125c58a05
commit f9f74efd76
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GPG Key ID: C5C42CFB268637CA
1 changed files with 23 additions and 1 deletions
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24
glib/tests/unicode.c
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@ -418,7 +418,15 @@ test_combining_class (void)
{ 233, 0x0362 }, { 233, 0x0362 },
{ 234, 0x0360 }, { 234, 0x0360 },
{ 234, 0x1DCD }, { 234, 0x1DCD },
{ 240, 0x0345 } { 240, 0x0345 },
/* These are all (currently) unassigned, but exercise various branches in
* the combining class lookup tables: */
{ 0, 0x323FF },
{ 0, 0x32400 },
{ 0, 0xDFFFF },
{ 0, 0xE0000 },
{ 0, G_UNICODE_LAST_CHAR },
{ 0, G_UNICODE_LAST_CHAR + 1 },
}; };
for (i = 0; i < G_N_ELEMENTS (examples); i++) for (i = 0; i < G_N_ELEMENTS (examples); i++)
{ {
@ -1459,6 +1467,15 @@ test_compose (void)
{ 0xCE20, 0x11B8, 0xCE31 }, { 0xCE20, 0x11B8, 0xCE31 },
{ 0x110E, 0x1173, 0xCE20 }, { 0x110E, 0x1173, 0xCE20 },
/* Hangul non-compositions (testing various exit conditions in combine_hangul()) */
{ 0x1100, 0x1160, 0 },
{ 0x1100, 0x1177, 0 },
{ 0xABFF, 0x11B6, 0 },
{ 0xD7A5, 0x11B6, 0 },
{ 0xAC01, 0x11B6, 0 },
{ 0xD4CC, 0x11A6, 0 },
{ 0xD4CC, 0x11C4, 0 },
/* Primary composite above U+FFFF (a significant boundary value in our implementation) */ /* Primary composite above U+FFFF (a significant boundary value in our implementation) */
{ 0x1611E, 0x1611E, 0x16121 }, /* first and second char equal */ { 0x1611E, 0x1611E, 0x16121 }, /* first and second char equal */
{ 0x1611E, 0x1611F, 0x16123 }, { 0x1611E, 0x1611F, 0x16123 },
@ -1480,6 +1497,7 @@ test_compose (void)
{ 0x1E63, 0x0B57, 0 }, { 0x1E63, 0x0B57, 0 },
{ 0x1E63, 0x0000, 0 }, { 0x1E63, 0x0000, 0 },
{ 0x1E63, 0x113C2, 0 }, { 0x1E63, 0x113C2, 0 },
{ 0x1F01, 0x113C2, 0 },
{ 0x006E, 0x0302, 0 }, { 0x006E, 0x0302, 0 },
{ 0x1E63, 0x1611F, 0 }, { 0x1E63, 0x1611F, 0 },
{ 0x1138E, 0x113B8, 0 }, { 0x1138E, 0x113B8, 0 },
@ -1542,6 +1560,10 @@ test_decompose (void)
g_assert_true (g_unichar_decompose (0xD4CC, &a, &b) && a == 0x1111 && b == 0x1171); g_assert_true (g_unichar_decompose (0xD4CC, &a, &b) && a == 0x1111 && b == 0x1171);
g_assert_true (g_unichar_decompose (0xCE31, &a, &b) && a == 0xCE20 && b == 0x11B8); g_assert_true (g_unichar_decompose (0xCE31, &a, &b) && a == 0xCE20 && b == 0x11B8);
g_assert_true (g_unichar_decompose (0xCE20, &a, &b) && a == 0x110E && b == 0x1173); g_assert_true (g_unichar_decompose (0xCE20, &a, &b) && a == 0x110E && b == 0x1173);
/* Primary composite above U+FFFF (a significant boundary value in our implementation) */
g_assert_true (g_unichar_decompose (0x16121, &a, &b) && a == 0x1611E && b == 0x1611E); /* first and second char equal */
g_assert_true (g_unichar_decompose (0x16123, &a, &b) && a == 0x1611E && b == 0x1611F);
} }
/* Test that g_unichar_fully_decompose() returns the correct value for /* Test that g_unichar_fully_decompose() returns the correct value for