1 files changed, 188 insertions, 0 deletions
diff --git a/tests/03utf8.c b/tests/03utf8.c
new file mode 100644
index 0000000..9b06e2e
--- /dev/null
+++ b/tests/03utf8.c
@@ -0,0 +1,188 @@
+#include "../termkey.h"
+#include "taplib.h"
+
+int
+main (int argc, char *argv[])
+{
+	termkey_t *tk;
+	termkey_key_t key;
+
+	plan_tests (33 /* 57 */);
+
+	tk = termkey_new_abstract ("vt100", "UTF-8", 0);
+
+	termkey_push_bytes (tk, "a", 1);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY low ASCII");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type low ASCII");
+	is_int (key.code.codepoint, 'a', "key.code.codepoint low ASCII");
+
+	/* 2-byte UTF-8 range is U+0080 to U+07FF (0xDF 0xBF) */
+	/* However, we'd best avoid the C1 range, so we'll start at U+00A0 (0xC2 0xA0) */
+
+	termkey_push_bytes (tk, "\xC2\xA0", 2);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 2 low");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 2 low");
+	is_int (key.code.codepoint, 0x00A0, "key.code.codepoint UTF-8 2 low");
+
+	termkey_push_bytes (tk, "\xDF\xBF", 2);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 2 high");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 2 high");
+	is_int (key.code.codepoint, 0x07FF, "key.code.codepoint UTF-8 2 high");
+
+	/* 3-byte UTF-8 range is U+0800 (0xE0 0xA0 0x80) to U+FFFD (0xEF 0xBF 0xBD) */
+
+	termkey_push_bytes (tk, "\xE0\xA0\x80", 3);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 low");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 3 low");
+	is_int (key.code.codepoint, 0x0800, "key.code.codepoint UTF-8 3 low");
+
+	termkey_push_bytes (tk, "\xEF\xBF\xBD", 3);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 high");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 3 high");
+	is_int (key.code.codepoint, 0xFFFD, "key.code.codepoint UTF-8 3 high");
+
+	/* 4-byte UTF-8 range is U+10000 (0xF0 0x90 0x80 0x80) to U+10FFFF (0xF4 0x8F 0xBF 0xBF) */
+
+	termkey_push_bytes (tk, "\xF0\x90\x80\x80", 4);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 low");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 4 low");
+	is_int (key.code.codepoint, 0x10000, "key.code.codepoint UTF-8 4 low");
+
+	termkey_push_bytes (tk, "\xF4\x8F\xBF\xBF", 4);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 high");
+	is_int (key.type, TERMKEY_TYPE_KEY, "key.type UTF-8 4 high");
+	is_int (key.code.codepoint, 0x10FFFF, "key.code.codepoint UTF-8 4 high");
+
+#if 0
+	/* XXX: With the move to iconv, this has changed significantly. */
+
+	/* Invalid continuations */
+
+	termkey_push_bytes (tk, "\xC2!", 2);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 2 invalid cont");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 2 invalid cont");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 2 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 2 invalid after");
+
+	termkey_push_bytes (tk, "\xE0!", 2);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 invalid cont");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 3 invalid cont");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 3 invalid after");
+
+	termkey_push_bytes (tk, "\xE0\xA0!", 3);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 invalid cont 2");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 3 invalid cont 2");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 3 invalid after");
+
+	termkey_push_bytes (tk, "\xF0!", 2);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid cont");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 4 invalid cont");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 4 invalid after");
+
+	termkey_push_bytes (tk, "\xF0\x90!", 3);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid cont 2");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 4 invalid cont 2");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 4 invalid after");
+
+	termkey_push_bytes (tk, "\xF0\x90\x80!", 4);
+
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid cont 3");
+	is_int (key.code.codepoint, 0xFFFD,
+		"key.code.codepoint UTF-8 4 invalid cont 3");
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 invalid after");
+	is_int (key.code.codepoint, '!',
+		"key.code.codepoint UTF-8 4 invalid after");
+#endif
+
+	/* Partials */
+
+	termkey_push_bytes (tk, "\xC2", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 2 partial");
+
+	termkey_push_bytes (tk, "\xA0", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 2 partial");
+	is_int (key.code.codepoint, 0x00A0,
+		"key.code.codepoint UTF-8 2 partial");
+
+	termkey_push_bytes (tk, "\xE0", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 3 partial");
+
+	termkey_push_bytes (tk, "\xA0", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 3 partial");
+
+	termkey_push_bytes (tk, "\x80", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 3 partial");
+	is_int (key.code.codepoint, 0x0800,
+		"key.code.codepoint UTF-8 3 partial");
+
+	termkey_push_bytes (tk, "\xF0", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 4 partial");
+
+	termkey_push_bytes (tk, "\x90", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 4 partial");
+
+	termkey_push_bytes (tk, "\x80", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_AGAIN,
+		"getkey yields RES_AGAIN UTF-8 4 partial");
+
+	termkey_push_bytes (tk, "\x80", 1);
+	is_int (termkey_getkey (tk, &key), TERMKEY_RES_KEY,
+		"getkey yields RES_KEY UTF-8 4 partial");
+	is_int (key.code.codepoint, 0x10000,
+		"key.code.codepoint UTF-8 4 partial");
+
+	termkey_destroy (tk);
+	return exit_status ();
+}