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add test cases for new isutf8 checks

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This commit is contained in:
Derek Meer 2025-03-19 16:11:53 -07:00
parent a0429ccf05
commit 8f4dc5a2af
1 changed files with 10 additions and 4 deletions
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14
test/libc/str/isutf8_test.c
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@ -42,10 +42,16 @@ TEST(isutf8, good) {
}
TEST(isutf8, bad) {
ASSERT_FALSE(isutf8("\300\200", -1)); // overlong nul
ASSERT_FALSE(isutf8("\200\300", -1)); // latin1 c1 control code
ASSERT_FALSE(isutf8("\300\300", -1)); // missing continuation
ASSERT_FALSE(isutf8("\377\200\200\200\200", -1)); // thompson-pike varint
ASSERT_FALSE(isutf8("\300\200", -1)); // overlong nul
ASSERT_FALSE(isutf8("\200\300", -1)); // latin1 c1 control code
ASSERT_FALSE(isutf8("\300\300", -1)); // missing continuation
ASSERT_FALSE(isutf8("\377\200\200\200\200", -1)); // thompson-pike varint
ASSERT_FALSE(isutf8("\355\240\200", -1)); // single utf-16 surrogate (high)
ASSERT_FALSE(isutf8("\355\277\277", -1)); // single utf-16 surrogate (low)
ASSERT_FALSE(isutf8("\355\240\200\355\260\200", -1)); // paired utf-16 surrogates (range begin)
ASSERT_FALSE(isutf8("\355\257\277\355\277\277", -1)); // paired utf-16 surrogates (range end)
ASSERT_FALSE(isutf8("\364\220\200\200", -1)); // boundary condition
ASSERT_FALSE(isutf8("\220", -1)); // boundary condition
}
TEST(isutf8, oob) {