From c83931cbb3516563949d283fe46453a35cd35977 Mon Sep 17 00:00:00 2001
From: Andrew Thompson <andrew@hijacked.us>
Date: Wed, 19 Sep 2012 16:54:01 -0400
Subject: Fix printing the empty binary at depth 1 with ~W

A case clause ordering problem is causing the empty binary to be
printed as <<...>> rather than the correct <<>> when using ~W with a
depth of 1. Add new tests to verify correct behaviour.
---
 lib/stdlib/src/io_lib.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/stdlib/src/io_lib.erl')

diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index 0252cdf742..ff5862f7b9 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -250,10 +250,10 @@ write_ref(Ref) ->
 write_binary(B, D) when is_integer(D) ->
     [$<,$<,write_binary_body(B, D),$>,$>].
 
-write_binary_body(_B, 1) ->
-    "...";
 write_binary_body(<<>>, _D) ->
     "";
+write_binary_body(_B, 1) ->
+    "...";
 write_binary_body(<<X:8>>, _D) ->
     [integer_to_list(X)];
 write_binary_body(<<X:8,Rest/bitstring>>, D) ->
-- 
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