diff options
| author | Koichi Sasada <ko1@atdot.net> | 2019-07-31 15:01:19 +0900 |
|---|---|---|
| committer | Koichi Sasada <ko1@atdot.net> | 2019-07-31 15:14:50 +0900 |
| commit | cac44def0b0f0fdcd1aa8cf610e16a5506d2726b (patch) | |
| tree | 12a8af2972e005fa5ce30cdc2c81e5d606e165ec /tool/lib | |
| parent | efac0a2384ed6cb1572490b36566e2e37509d7df (diff) | |
backtrace can be nil.
Surprisingly, on SystemStackError#backtrace can return nil.
Diffstat (limited to 'tool/lib')
| -rw-r--r-- | tool/lib/minitest/unit.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tool/lib/minitest/unit.rb b/tool/lib/minitest/unit.rb index d922a5fc41..a384ddc17c 100644 --- a/tool/lib/minitest/unit.rb +++ b/tool/lib/minitest/unit.rb @@ -984,6 +984,9 @@ module MiniTest def location e # :nodoc: last_before_assertion = "" + + return '<empty>' unless e.backtrace # SystemStackError can return nil. + e.backtrace.reverse_each do |s| break if s =~ /in .(assert|refute|flunk|pass|fail|raise|must|wont)/ last_before_assertion = s |