about summary refs log tree commit diff
diff options
context:
space:
mode:
authorCorey Richardson <corey@octayn.net>2013-07-10 13:07:26 -0400
committerCorey Richardson <corey@octayn.net>2013-07-10 13:12:10 -0400
commit8dc6445e38e163ff0c195f0ee11f7b1532f563dc (patch)
treefe8d65c01e997c60aa878319e64d06c2bcfcef79
parent8fa09736efcd100ec675a2fe0e29906607996485 (diff)
downloadrust-8dc6445e38e163ff0c195f0ee11f7b1532f563dc.tar.gz
rust-8dc6445e38e163ff0c195f0ee11f7b1532f563dc.zip
Change the assert_eq message to be more verbose.
Closes #6221
-rw-r--r--src/libsyntax/ext/expand.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 71e0d49493b..b5d7d94c313 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -531,7 +531,8 @@ pub fn core_macros() -> @str {
                 let expected_val = $expected;
                 // check both directions of equality....
                 if !((given_val == expected_val) && (expected_val == given_val)) {
-                    fail!(\"left: %? does not equal right: %?\", given_val, expected_val);
+                    fail!(\"assertion failed: `(left == right) && (right == \
+                    left)` (left: `%?`, right: `%?`)\", given_val, expected_val);
                 }
             }
         )