Timerix/utf8proc
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Improve fuzzer code coverage (#239)

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* fuzz: test grapheme break functions

* fuzz: cover character lumping
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Randy 2022-05-26 14:58:54 +02:00 committed by GitHub
parent 39dbf507d7
commit 63f31c908e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 1 deletions
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11
test/fuzzer.c
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@ -11,7 +11,7 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
if(data[size-1] != '\0') return 0; if(data[size-1] != '\0') return 0;
const uint8_t* ptr = data; const uint8_t* ptr = data;
utf8proc_int32_t c = 0; utf8proc_int32_t c = 0, c_prev = 0, state = 0;
utf8proc_option_t options; utf8proc_option_t options;
utf8proc_ssize_t ret, bytes = 0; utf8proc_ssize_t ret, bytes = 0;
size_t len = strlen((const char*)data); size_t len = strlen((const char*)data);
@ -34,6 +34,11 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
utf8proc_category(c); utf8proc_category(c);
utf8proc_category_string(c); utf8proc_category_string(c);
utf8proc_codepoint_valid(c); utf8proc_codepoint_valid(c);
utf8proc_grapheme_break(c_prev, c);
utf8proc_grapheme_break_stateful(c_prev, c, &state);
c_prev = c;
} }
utf8proc_int32_t *copy = size >= 4 ? NULL : malloc(size); utf8proc_int32_t *copy = size >= 4 ? NULL : malloc(size);
@ -58,6 +63,10 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
memcpy(copy, data, size); memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options); utf8proc_normalize_utf32(copy, size, options);
options = UTF8PROC_LUMP;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
options = 0; options = 0;
memcpy(copy, data, size); memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options); utf8proc_normalize_utf32(copy, size, options);