1 files changed, 51 insertions, 0 deletions
diff --git a/spec/ruby/core/argf/gets_spec.rb b/spec/ruby/core/argf/gets_spec.rb
new file mode 100644
index 0000000000..b65aa076bd
--- /dev/null
+++ b/spec/ruby/core/argf/gets_spec.rb
@@ -0,0 +1,51 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/gets', __FILE__)
+
+describe "ARGF.gets" do
+  it_behaves_like :argf_gets, :gets
+end
+
+describe "ARGF.gets" do
+  it_behaves_like :argf_gets_inplace_edit, :gets
+end
+
+describe "ARGF.gets" do
+  before :each do
+    @file1_name = fixture __FILE__, "file1.txt"
+    @file2_name = fixture __FILE__, "file2.txt"
+
+    @file1 = File.readlines @file1_name
+    @file2 = File.readlines @file2_name
+  end
+
+  it "returns nil when reaching end of files" do
+    argf [@file1_name, @file2_name] do
+      total = @file1.size + @file2.size
+      total.times { @argf.gets }
+      @argf.gets.should == nil
+    end
+  end
+
+  with_feature :encoding do
+    before :each do
+      @external = Encoding.default_external
+      @internal = Encoding.default_internal
+
+      Encoding.default_external = Encoding::UTF_8
+      Encoding.default_internal = nil
+    end
+
+    after :each do
+      Encoding.default_external = @external
+      Encoding.default_internal = @internal
+    end
+
+    it "reads the contents of the file with default encoding" do
+      Encoding.default_external = Encoding::US_ASCII
+      argf [@file1_name, @file2_name] do
+        @argf.gets.encoding.should == Encoding::US_ASCII
+      end
+    end
+  end
+
+end