Replace function UnicodeFromBytes with UnicodeFromUTF8 as they are exactly the

same.
Add unit tests for UnicodeFromUTF8.

1 files changed, 44 insertions, 0 deletions

diff --git a/test/unit/testUnicodeFromUTF8.cxx b/test/unit/testUnicodeFromUTF8.cxx
new file mode 100644
index 000000000..841a9c68c
--- /dev/null
+++ b/test/unit/testUnicodeFromUTF8.cxx
@@ -0,0 +1,44 @@
+// Unit Tests for Scintilla internal data structures
+
+#include <string.h>
+
+#include <algorithm>
+
+#include "Platform.h"
+
+#include "UnicodeFromUTF8.h"
+
+#include "catch.hpp"
+
+// Test UnicodeFromUTF8.
+// Use examples from Wikipedia:
+// http://en.wikipedia.org/wiki/UTF-8
+
+TEST_CASE("UnicodeFromUTF8") {
+
+	SECTION("ASCII") {
+		const unsigned char s[]={'a', 0};
+		REQUIRE(UnicodeFromUTF8(s) == 'a');
+	}
+
+	SECTION("Example1") {
+		const unsigned char s[]={0x24, 0};
+		REQUIRE(UnicodeFromUTF8(s) == 0x24);
+	}
+
+	SECTION("Example2") {
+		const unsigned char s[]={0xC2, 0xA2, 0};
+		REQUIRE(UnicodeFromUTF8(s) == 0xA2);
+	}
+
+	SECTION("Example3") {
+		const unsigned char s[]={0xE2, 0x82, 0xAC, 0};
+		REQUIRE(UnicodeFromUTF8(s) == 0x20AC);
+	}
+
+	SECTION("Example4") {
+		const unsigned char s[]={0xF0, 0x90, 0x8D, 0x88, 0};
+		REQUIRE(UnicodeFromUTF8(s) == 0x10348);
+	}
+
+}