Initial project import

tools/v/vlib/builtin/character_inout_test.v

@@ -0,0 +1,18 @@
+fn test_print_character() {
+	assert print_character(u8(`a`)) > 0
+	assert print_character(u8(`A`)) > 0
+	println('')
+	assert print_character(rune(`a`)) > 0
+	assert print_character(rune(`A`)) > 0
+	println('')
+	assert print_character(u8(char(`a`))) > 0
+	assert print_character(u8(char(`A`))) > 0
+	println('')
+	assert print_character(u8(int(`a`))) > 0
+	assert print_character(u8(int(`A`))) > 0
+	println('')
+}
+
+fn test_input_character() {
+	// TODO: add an `expect` based test on Linux
+}