1 files changed, 145 insertions, 0 deletions
diff --git a/test/rdoc/test_rdoc_encoding.rb b/test/rdoc/test_rdoc_encoding.rb
new file mode 100644
index 0000000000..b940d93606
--- /dev/null
+++ b/test/rdoc/test_rdoc_encoding.rb
@@ -0,0 +1,145 @@
+require 'rubygems'
+require 'minitest/autorun'
+require 'rdoc'
+require 'rdoc/encoding'
+
+require 'tempfile'
+
+class TestRDocEncoding < MiniTest::Unit::TestCase
+
+  def setup
+    @tempfile = Tempfile.new 'test_rdoc_encoding'
+  end
+
+  def test_class_read_file
+    @tempfile.write "hi everybody"
+    @tempfile.flush
+
+    assert_equal "hi everybody", RDoc::Encoding.read_file(@tempfile.path, nil)
+  end
+
+  def test_class_read_file_encoding
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    expected = "# coding: utf-8\nhi everybody"
+
+    @tempfile.write expected
+    @tempfile.flush
+
+    # FIXME 1.9 fix on windoze
+    expected.gsub!("\n", "\r\n") if RUBY_VERSION =~ /^1.9/ && RUBY_PLATFORM =~ /mswin|mingw/
+
+    contents = RDoc::Encoding.read_file @tempfile.path, Encoding::UTF_8
+    assert_equal expected, contents
+    assert_equal Encoding::UTF_8, contents.encoding
+  end
+
+  def test_class_read_file_encoding_convert
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    content = ""
+    content.encode! 'ISO-8859-1'
+    content << "# coding: ISO-8859-1\nhi \xE9verybody"
+
+    @tempfile.write content
+    @tempfile.flush
+
+    contents = RDoc::Encoding.read_file @tempfile.path, Encoding::UTF_8
+    assert_equal Encoding::UTF_8, contents.encoding
+    assert_equal "# coding: ISO-8859-1\nhi \u00e9verybody", contents.sub("\r", '')
+  end
+
+  def test_class_read_file_encoding_fancy
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    expected = "# -*- coding: utf-8; fill-column: 74 -*-\nhi everybody"
+    expected.encode! Encoding::UTF_8
+
+    @tempfile.write expected
+    @tempfile.flush
+
+    # FIXME 1.9 fix on windoze
+    expected.gsub!("\n", "\r\n") if RUBY_VERSION =~ /^1.9/ && RUBY_PLATFORM =~ /win32|mingw32/
+
+    contents = RDoc::Encoding.read_file @tempfile.path, Encoding::UTF_8
+    assert_equal expected, contents
+    assert_equal Encoding::UTF_8, contents.encoding
+  end
+
+  def test_class_read_file_encoding_guess
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    path = File.expand_path '../test.ja.txt', __FILE__
+    content = RDoc::Encoding.read_file path, Encoding::UTF_8
+
+    assert_equal Encoding::UTF_8, content.encoding
+  end
+
+  def test_class_read_file_encoding_with_signature
+    skip "Encoding not implemented" unless defined? ::Encoding
+
+    @tempfile.write "\xEF\xBB\xBFhi everybody"
+    @tempfile.flush
+
+    bug3360 = '[ruby-dev:41452]'
+    content = RDoc::Encoding.read_file @tempfile.path, Encoding::UTF_8
+    assert_equal Encoding::UTF_8, content.encoding, bug3360
+    assert_equal "hi everybody", content, bug3360
+  end
+
+  def test_class_set_encoding
+    s = "# coding: UTF-8\n"
+    RDoc::Encoding.set_encoding s
+
+    # sanity check for 1.8
+
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    assert_equal Encoding::UTF_8, s.encoding
+
+    s = "#!/bin/ruby\n# coding: UTF-8\n"
+    RDoc::Encoding.set_encoding s
+
+    assert_equal Encoding::UTF_8, s.encoding
+
+    s = "<?xml version='1.0' encoding='UTF-8'?>\n"
+    expected = s.encoding
+    RDoc::Encoding.set_encoding s
+
+    assert_equal Encoding::UTF_8, s.encoding
+
+    s = "<?xml version='1.0' encoding=\"UTF-8\"?>\n"
+    expected = s.encoding
+    RDoc::Encoding.set_encoding s
+
+    assert_equal Encoding::UTF_8, s.encoding
+  end
+
+  def test_class_set_encoding_bad
+    skip "Encoding not implemented" unless Object.const_defined? :Encoding
+
+    s = ""
+    expected = s.encoding
+    RDoc::Encoding.set_encoding s
+
+    assert_equal expected, s.encoding
+
+    s = "# vim:set fileencoding=utf-8:\n"
+    expected = s.encoding
+    RDoc::Encoding.set_encoding s
+
+    assert_equal expected, s.encoding
+
+    s = "# vim:set fileencoding=utf-8:\n"
+    expected = s.encoding
+    RDoc::Encoding.set_encoding s
+
+    assert_equal expected, s.encoding
+
+    assert_raises ArgumentError do
+      RDoc::Encoding.set_encoding "# -*- encoding: undecided -*-\n"
+    end
+  end
+
+end
+