1 files changed, 48 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/proc_spec.rb b/spec/ruby/core/kernel/proc_spec.rb
new file mode 100644
index 0000000000..6553b8fd04
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+++ b/spec/ruby/core/kernel/proc_spec.rb
@@ -0,0 +1,48 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/lambda'
+
+# The functionality of Proc objects is specified in core/proc
+
+describe "Kernel.proc" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:proc)
+  end
+
+  it "creates a proc-style Proc if given a literal block" do
+    l = proc { 42 }
+    l.lambda?.should be_false
+  end
+
+  it "returned the passed Proc if given an existing Proc" do
+    some_lambda = -> {}
+    some_lambda.lambda?.should be_true
+    l = proc(&some_lambda)
+    l.should equal(some_lambda)
+    l.lambda?.should be_true
+  end
+
+  it_behaves_like :kernel_lambda, :proc
+
+  it "returns from the creation site of the proc, not just the proc itself" do
+    @reached_end_of_method = nil
+    def test
+      proc { return }.call
+      @reached_end_of_method = true
+    end
+    test
+    @reached_end_of_method.should be_nil
+  end
+end
+
+describe "Kernel#proc" do
+  def some_method
+    proc
+  end
+
+  it "raises an ArgumentError when passed no block" do
+    -> {
+      some_method { "hello" }
+    }.should raise_error(ArgumentError, 'tried to create Proc object without a block')
+  end
+end