1 files changed, 43 insertions, 0 deletions
diff --git a/spec/ruby/core/io/each_codepoint_spec.rb b/spec/ruby/core/io/each_codepoint_spec.rb
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+++ b/spec/ruby/core/io/each_codepoint_spec.rb
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+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/codepoints'
+
+# See redmine #1667
+describe "IO#each_codepoint" do
+  it_behaves_like :io_codepoints, :each_codepoint
+end
+
+describe "IO#each_codepoint" do
+  before :each do
+    @io = IOSpecs.io_fixture "lines.txt"
+  end
+
+  after :each do
+    @io.close if @io
+  end
+
+  it "calls the given block" do
+    r = []
+    @io.each_codepoint { |c| r << c }
+    r[24].should == 232
+    r.last.should == 10
+  end
+
+  it "returns self" do
+    @io.each_codepoint { |l| l }.should.equal?(@io)
+  end
+end
+
+describe "IO#each_codepoint" do
+  before :each do
+    @io = IOSpecs.io_fixture("incomplete.txt")
+  end
+
+  after :each do
+    @io.close if @io
+  end
+
+  it "raises an exception at incomplete character before EOF when conversion takes place" do
+    -> { @io.each_codepoint {} }.should.raise(ArgumentError)
+  end
+end