From 9d247dc831569a4db75ec9466d1a988a82dfba29 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 23 Oct 2026 21:09:14 +0200 Subject: First commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libutf8_is_invalid.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libutf8_is_invalid.c (limited to 'libutf8_is_invalid.c') diff --git a/libutf8_is_invalid.c b/libutf8_is_invalid.c new file mode 100644 index 0000000..fe0938b --- /dev/null +++ b/libutf8_is_invalid.c @@ -0,0 +1,36 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + + +extern inline int libutf8_is_invalid(uint_least32_t codepoint); + + +#else + + +int +main(void) +{ + unsigned long int i = 0u; + uint_least32_t cp; + + SET_UP_TEST(); + + for (; i <= 0x10FFFFul; i++) { + cp = (uint_least32_t)i; + if (libutf8_is_noncharacter(cp)) + assert(libutf8_is_invalid(cp) == 1); + else if (libutf8_is_surrogate(cp)) + assert(libutf8_is_invalid(cp) == 1); + else + assert(libutf8_is_invalid(cp) == 0); + } + for (; i < 0x120000ul; i++) + assert(libutf8_is_invalid((uint_least32_t)i) == 1); + + return 0; +} + + +#endif -- cgit v1.3.1