1 files changed, 56 insertions, 0 deletions
diff --git a/strisutf8.c b/strisutf8.c
index ac0f4ca..c8244af 100644
--- a/strisutf8.c
+++ b/strisutf8.c
@@ -12,6 +12,62 @@ extern inline int libsimple_strisutf8(const char *, int);
 int
 main(void)
 {
+#define ASSERT(STRING, GOOD)\
+	assert(libsimple_strisutf8(STRING, i) == (GOOD))
+
+	int i;
+	for (i = 0; i < 2; i++) {
+		ASSERT("", 1);
+		ASSERT("a", 1);
+		ASSERT("abc", 1);
+		ASSERT("123", 1);
+		ASSERT("åäö", 1);
+		ASSERT("𝖆𝖇𝖈", 1);
+		ASSERT("\x1b", 1);
+		ASSERT("\n\r\t\f", 1);
+		ASSERT("\xFF", 0);
+		ASSERT("\x01", 1);
+		ASSERT("\x7F", 1);
+		ASSERT("\x80", 0);
+		ASSERT("\xC0", 0);
+		ASSERT("\xC0\x80", i);
+		ASSERT("\xC0\x81", 0);
+		ASSERT("\xCF", 0);
+		ASSERT("\xEF", 0);
+		ASSERT("\xEF\x8F", 0);
+		ASSERT("\xF7", 0);
+		ASSERT("\xF7\x8F", 0);
+		ASSERT("\xF7\x8F\x8F", 0);
+		ASSERT("\xFA", 0);
+		ASSERT("\xFA\x8F", 0);
+		ASSERT("\xFA\x8F\x8F", 0);
+		ASSERT("\xFA\x8F\x8F\x8F", 0);
+		ASSERT("\xFD", 0);
+		ASSERT("\xFD\x8F", 0);
+		ASSERT("\xFD\x8F\x8F", 0);
+		ASSERT("\xFD\x8F\x8F\x8F", 0);
+		ASSERT("\xFD\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xFE", 0);
+		ASSERT("\xFE\x8F", 0);
+		ASSERT("\xFE\x8F\x8F", 0);
+		ASSERT("\xFE\x8F\x8F\x8F", 0);
+		ASSERT("\xFE\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xFE\x8F\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xFF", 0);
+		ASSERT("\xFF\x8F", 0);
+		ASSERT("\xFF\x8F\x8F", 0);
+		ASSERT("\xFF\x8F\x8F\x8F", 0);
+		ASSERT("\xFF\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xFF\x8F\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xFF\x8F\x8F\x8F\x8F\x8F\x8F", 0);
+		ASSERT("\xC1\x80", 0);
+		ASSERT("\xC2\x80", 1);
+		ASSERT("\xE1\x80\x80\x80", 0);
+		ASSERT("\xE1\x80\xC0\x80", 0);
+		ASSERT("\xE1\x80\x00\x80", 0);
+		ASSERT("\xF1\x80\x80\x80", 1);
+		ASSERT("\xFF\x80\x80\x80\x80\x80\x80\x80", 0);
+	}
 	return 0;
 }