1 files changed, 27 insertions, 0 deletions
diff --git a/test/iconv/test_simple.rb b/test/iconv/test_simple.rb
new file mode 100644
index 0000000000..e449b27542
--- /dev/null
+++ b/test/iconv/test_simple.rb
@@ -0,0 +1,27 @@
+require 'test/unit'
+begin
+  require 'iconv'
+rescue LoadError
+end
+
+class TestIConv < Test::Unit::TestCase
+  ASCII = "ascii"
+  def test_simple
+    c = Iconv.open(ASCII, ASCII)
+    ref = '[ruby-core:17092]'
+  rescue
+    return
+  else
+    assert_equal("abc", c.iconv("abc"))
+    assert_equal("c",   c.iconv("abc", 2),     "#{ref}: with start")
+    assert_equal("c",   c.iconv("abc", 2, 1),  "#{ref}: with start, length")
+    assert_equal("c",   c.iconv("abc", 2, 5),  "#{ref}: with start, longer length")
+    assert_equal("bc",  c.iconv("abc", -2),    "#{ref}: with nagative start")
+    assert_equal("b",   c.iconv("abc", -2, 1), "#{ref}: with nagative start, length")
+    assert_equal("bc",  c.iconv("abc", -2, 5), "#{ref}: with nagative start, longer length")
+    assert_equal("",    c.iconv("abc", 5),     "#{ref}: with OOB")
+    assert_equal("",    c.iconv("abc", 5, 2),  "#{ref}: with OOB, length")
+  ensure
+    c.close if c
+  end
+end if defined?(::Iconv)