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Diffstat (limited to 'spec/rubyspec/language/BEGIN_spec.rb')
-rw-r--r-- | spec/rubyspec/language/BEGIN_spec.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/spec/rubyspec/language/BEGIN_spec.rb b/spec/rubyspec/language/BEGIN_spec.rb new file mode 100644 index 0000000000..826d5f0c89 --- /dev/null +++ b/spec/rubyspec/language/BEGIN_spec.rb @@ -0,0 +1,32 @@ +require File.expand_path('../../spec_helper', __FILE__) + +describe "The BEGIN keyword" do + before :each do + ScratchPad.record [] + end + + it "runs in a shared scope" do + eval("BEGIN { var_in_begin = 'foo' }; var_in_begin").should == "foo" + end + + it "accesses variables outside the eval scope" do + outside_var = 'foo' + eval("BEGIN { var_in_begin = outside_var }; var_in_begin").should == "foo" + end + + it "must appear in a top-level context" do + lambda { eval "1.times { BEGIN { 1 } }" }.should raise_error(SyntaxError) + end + + it "runs first in a given code unit" do + eval "ScratchPad << 'foo'; BEGIN { ScratchPad << 'bar' }" + + ScratchPad.recorded.should == ['bar', 'foo'] + end + + it "runs multiple begins in FIFO order" do + eval "BEGIN { ScratchPad << 'foo' }; BEGIN { ScratchPad << 'bar' }" + + ScratchPad.recorded.should == ['foo', 'bar'] + end +end |