ccan/utf8: new module.

[ccan] / ccan / utf8 / test / run-encode-decode.c

diff --git a/ccan/utf8/test/run-encode-decode.c b/ccan/utf8/test/run-encode-decode.c
new file mode 100644 (file)
index 0000000..1dd71fd
--- /dev/null
+++ b/ccan/utf8/test/run-encode-decode.c
@@ -0,0 +1,42 @@
+#include <ccan/utf8/utf8.h>
+/* Include the C files directly. */
+#include <ccan/utf8/utf8.c>
+#include <ccan/tap/tap.h>
+#include <assert.h>
+
+static bool utf8_check(const char *src, size_t len)
+{
+       bool decoded = false;
+       struct utf8_state utf8_state = UTF8_STATE_INIT;
+       size_t i;
+
+       for (i = 0; i < len; i++) {
+               decoded = utf8_decode(&utf8_state, src[i]);
+               if (decoded) {
+                       if (errno != 0)
+                               return false;
+               }
+       }
+       if (!decoded)
+               return false;
+       return true;
+}
+
+int main(int argc, char **argv)
+{
+       int i;
+       char dest[UTF8_MAX_LEN];
+       
+       plan_tests(0x10FFFF - (0xDFFF - 0xD7FF + 2));
+
+       for (i = 1; i < 0x10FFFF; i++) {
+               int len;
+               if (i >= 0xD7FF && i <= 0xDFFF)
+                       continue;
+               len = utf8_encode(i, dest);
+               assert(len != 0);
+               ok1(utf8_check(dest, len));
+       }
+
+       return exit_status();
+}