1 files changed, 53 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/chop_spec.rb b/spec/ruby/core/kernel/chop_spec.rb
new file mode 100644
index 0000000000..bbf3c3f724
--- /dev/null
+++ b/spec/ruby/core/kernel/chop_spec.rb
@@ -0,0 +1,53 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe :kernel_chop, shared: true do
+  it "removes the final character of $_" do
+    KernelSpecs.chop("abc", @method).should == "ab"
+  end
+
+  it "removes the final carriage return, newline of $_" do
+    KernelSpecs.chop("abc\r\n", @method).should == "abc"
+  end
+end
+
+describe :kernel_chop_private, shared: true do
+  it "is a private method" do
+    KernelSpecs.has_private_method(@method).should == true
+  end
+end
+
+describe "Kernel.chop" do
+  it_behaves_like :kernel_chop, "Kernel.chop"
+end
+
+describe "Kernel#chop" do
+  it_behaves_like :kernel_chop_private, :chop
+
+  it_behaves_like :kernel_chop, "chop"
+end
+
+describe :kernel_chop_encoded, shared: true do
+  before :each do
+    @external = Encoding.default_external
+    Encoding.default_external = Encoding::UTF_8
+  end
+
+  after :each do
+    Encoding.default_external = @external
+  end
+
+  it "removes the final multi-byte character from $_" do
+    script = fixture __FILE__, "#{@method}.rb"
+    KernelSpecs.run_with_dash_n(script).should == "あ"
+  end
+end
+
+describe "Kernel.chop" do
+  it_behaves_like :kernel_chop_encoded, "chop"
+end
+
+describe "Kernel#chop" do
+  it_behaves_like :kernel_chop_encoded, "chop_f"
+end