1 files changed, 32 insertions, 0 deletions
diff --git a/spec/ruby/language/BEGIN_spec.rb b/spec/ruby/language/BEGIN_spec.rb
new file mode 100644
index 0000000000..826d5f0c89
--- /dev/null
+++ b/spec/ruby/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