* error.c (rb_check_typeddata): refine error message with

  including expected struct name.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34052 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/test/-ext-/typeddata/test_typeddata.rb b/test/-ext-/typeddata/test_typeddata.rb
new file mode 100644
index 0000000000..50505850d8
--- /dev/null
+++ b/test/-ext-/typeddata/test_typeddata.rb
@@ -0,0 +1,21 @@
+require 'test/unit'
+require "-test-/typeddata/typeddata"
+
+class Test_TypedData < Test::Unit::TestCase
+  def test_wrong_argtype
+    e = assert_raise(TypeError) {Bug::TypedData.check(false)}
+    assert_equal("wrong argument type false (expected typed_data)", e.message)
+
+    e = assert_raise(TypeError) {Bug::TypedData.check(true)}
+    assert_equal("wrong argument type true (expected typed_data)", e.message)
+
+    e = assert_raise(TypeError) {Bug::TypedData.check(:e)}
+    assert_equal("wrong argument type Symbol (expected typed_data)", e.message)
+
+    e = assert_raise(TypeError) {Bug::TypedData.check(0)}
+    assert_equal("wrong argument type Fixnum (expected typed_data)", e.message)
+
+    e = assert_raise(TypeError) {Bug::TypedData.check("a")}
+    assert_equal("wrong argument type String (expected typed_data)", e.message)
+  end
+end