From 7a633f472daba84b03dac18557f411c949f6b875 Mon Sep 17 00:00:00 2001
From: kristopher tate <kris.tate+github@gmail.com>
Date: Sat, 1 Sep 2018 19:53:11 +0900
Subject: [PATCH] std/fmt/index.zig: #1358: test bytes printed-out as hex;

---
 std/fmt/index.zig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/std/fmt/index.zig b/std/fmt/index.zig
index a8ea5b4c5a..8e34bd43c4 100644
--- a/std/fmt/index.zig
+++ b/std/fmt/index.zig
@@ -1276,6 +1276,12 @@ test "fmt.format" {
 
         try testFmt("E.Two", "{}", inst);
     }
+    //print bytes as hex
+    {
+        const some_bytes = "\xCA\xFE\xBA\xBE";
+        try testFmt("lowercase: cafebabe\n", "lowercase: {x}\n", some_bytes);
+        try testFmt("uppercase: CAFEBABE\n", "uppercase: {X}\n", some_bytes);
+    }
 }
 
 fn testFmt(expected: []const u8, comptime template: []const u8, args: ...) !void {