1 files changed, 67 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/chomp_spec.rb b/spec/ruby/core/kernel/chomp_spec.rb
new file mode 100644
index 0000000000..524a4c8b1d
--- /dev/null
+++ b/spec/ruby/core/kernel/chomp_spec.rb
@@ -0,0 +1,67 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe :kernel_chomp, shared: true do
+  it "removes the final newline of $_" do
+    KernelSpecs.chomp("abc\n", @method).should == "abc"
+  end
+
+  it "removes the final carriage return of $_" do
+    KernelSpecs.chomp("abc\r", @method).should == "abc"
+  end
+
+  it "removes the final carriage return, newline of $_" do
+    KernelSpecs.chomp("abc\r\n", @method).should == "abc"
+  end
+
+  it "removes only the final newline of $_" do
+    KernelSpecs.chomp("abc\n\n", @method).should == "abc\n"
+  end
+
+  it "removes the value of $/ from the end of $_" do
+    KernelSpecs.chomp("abcde", @method, "cde").should == "ab"
+  end
+end
+
+describe :kernel_chomp_private, shared: true do
+  it "is a private method" do
+    KernelSpecs.has_private_method(@method).should be_true
+  end
+end
+
+describe "Kernel.chomp" do
+  it_behaves_like :kernel_chomp, "Kernel.chomp"
+end
+
+describe "Kernel#chomp" do
+  it_behaves_like :kernel_chomp, "chomp"
+
+  it_behaves_like :kernel_chomp_private, :chomp
+end
+
+with_feature :encoding do
+  describe :kernel_chomp_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 carriage return, newline from a multi-byte $_" do
+      script = fixture __FILE__, "#{@method}.rb"
+      KernelSpecs.run_with_dash_n(script).should == "あれ"
+    end
+  end
+
+  describe "Kernel.chomp" do
+    it_behaves_like :kernel_chomp_encoded, "chomp"
+  end
+
+  describe "Kernel#chomp" do
+    it_behaves_like :kernel_chomp_encoded, "chomp_f"
+  end
+end