1 files changed, 49 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_text.rb b/test/rubygems/test_gem_text.rb
new file mode 100644
index 0000000000..b800c5f58c
--- /dev/null
+++ b/test/rubygems/test_gem_text.rb
@@ -0,0 +1,49 @@
+######################################################################
+# This file is imported from the rubygems project.
+# DO NOT make modifications in this repo. They _will_ be reverted!
+# File a patch instead and assign it to Ryan Davis or Eric Hodel.
+######################################################################
+
+require "test/rubygems/gemutilities"
+require "rubygems/text"
+
+class TestGemText < RubyGemTestCase
+  include Gem::Text
+
+  def test_format_text
+    assert_equal "text to\nwrap",     format_text("text to wrap", 8)
+  end
+
+  def test_format_text_indent
+    assert_equal "  text to\n  wrap", format_text("text to wrap", 8, 2)
+  end
+
+  def test_format_text_none
+    assert_equal "text to wrap",      format_text("text to wrap", 40)
+  end
+
+  def test_format_text_none_indent
+    assert_equal "  text to wrap",    format_text("text to wrap", 40, 2)
+  end
+
+  def test_levenshtein_distance_add
+    assert_equal 2, levenshtein_distance("zentest", "zntst")
+    assert_equal 2, levenshtein_distance("zntst", "zentest")
+  end
+
+  def test_levenshtein_distance_empty
+    assert_equal 5, levenshtein_distance("abcde", "")
+    assert_equal 5, levenshtein_distance("", "abcde")
+  end
+
+  def test_levenshtein_distance_remove
+    assert_equal 3, levenshtein_distance("zentest", "zentestxxx")
+    assert_equal 3, levenshtein_distance("zentestxxx", "zentest")
+  end
+
+  def test_levenshtein_distance_replace
+    assert_equal 2, levenshtein_distance("zentest", "ZenTest")
+    assert_equal 7, levenshtein_distance("xxxxxxx", "ZenTest")
+    assert_equal 7, levenshtein_distance("zentest", "xxxxxxx")
+  end
+end