1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/shared/bol.rb b/spec/ruby/library/stringscanner/shared/bol.rb
new file mode 100644
index 0000000000..ebcdd7938f
--- /dev/null
+++ b/spec/ruby/library/stringscanner/shared/bol.rb
@@ -0,0 +1,25 @@
+describe :strscan_bol, shared: true do
+  it "returns true if the scan pointer is at the beginning of the line, false otherwise" do
+    s = StringScanner.new("This is a test")
+    s.send(@method).should be_true
+    s.scan(/This/)
+    s.send(@method).should be_false
+    s.terminate
+    s.send(@method).should be_false
+
+    s = StringScanner.new("hello\nworld")
+    s.bol?.should be_true
+    s.scan(/\w+/)
+    s.bol?.should be_false
+    s.scan(/\n/)
+    s.bol?.should be_true
+    s.unscan
+    s.bol?.should be_false
+  end
+
+  it "returns true if the scan pointer is at the end of the line of an empty string." do
+    s = StringScanner.new('')
+    s.terminate
+    s.send(@method).should be_true
+  end
+end