1 files changed, 13 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/tap_spec.rb b/spec/ruby/core/kernel/tap_spec.rb
new file mode 100644
index 0000000000..312a34426c
--- /dev/null
+++ b/spec/ruby/core/kernel/tap_spec.rb
@@ -0,0 +1,13 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Kernel#tap" do
+  it "always yields self and returns self" do
+    a = KernelSpecs::A.new
+    a.tap{|o| o.should equal(a); 42}.should equal(a)
+  end
+
+  it "raises a LocalJumpError when no block given" do
+    lambda { 3.tap }.should raise_error(LocalJumpError)
+  end
+end