diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | 95e8c48dd3348503a8c7db5d0498894a1b676395 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/command_line/dash_n_spec.rb | |
parent | ed7d803500de38186c74bce94d233e85ef51e503 (diff) |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/command_line/dash_n_spec.rb')
-rw-r--r-- | spec/rubyspec/command_line/dash_n_spec.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/spec/rubyspec/command_line/dash_n_spec.rb b/spec/rubyspec/command_line/dash_n_spec.rb new file mode 100644 index 0000000000..f4dd9f1851 --- /dev/null +++ b/spec/rubyspec/command_line/dash_n_spec.rb @@ -0,0 +1,34 @@ +describe "The -n command line option" do + before :each do + @names = fixture __FILE__, "names.txt" + end + + it "runs the code in loop conditional on Kernel.gets()" do + ruby_exe("puts $_", options: "-n", escape: true, + args: " < #{@names}").should == + "alice\nbob\njames\n" + end + + it "only evaluates BEGIN blocks once" do + ruby_exe("BEGIN { puts \"hi\" }; puts $_", options: "-n", escape: true, + args: " < #{@names}").should == + "hi\nalice\nbob\njames\n" + end + + it "only evaluates END blocks once" do + ruby_exe("puts $_; END {puts \"bye\"}", options: "-n", escape: true, + args: " < #{@names}").should == + "alice\nbob\njames\nbye\n" + end + + it "allows summing over a whole file" do + script = <<-script + BEGIN { $total = 0 } + $total += 1 + END { puts $total } + script + ruby_exe(script, options: "-n", escape: true, + args: " < #{@names}").should == + "3\n" + end +end |