diff --git a/IPython/core/tests/2x2.jpg b/IPython/core/tests/2x2.jpg
new file mode 100644
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diff --git a/IPython/core/tests/2x2.png b/IPython/core/tests/2x2.png
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diff --git a/IPython/core/tests/test_display.py b/IPython/core/tests/test_display.py
index c34674d..cf0f682 100644
--- a/IPython/core/tests/test_display.py
+++ b/IPython/core/tests/test_display.py
@@ -22,6 +22,24 @@ def test_image_size():
     img = display.Image(url=thisurl)
     nt.assert_equal(u'<img src="%s"/>' % (thisurl), img._repr_html_())
 
+def test_retina_png():
+    here = os.path.dirname(__file__)
+    img = display.Image(os.path.join(here, "2x2.png"), retina=True)
+    nt.assert_equal(img.height, 1)
+    nt.assert_equal(img.width, 1)
+    data, md = img._repr_png_()
+    nt.assert_equal(md['width'], 1)
+    nt.assert_equal(md['height'], 1)
+
+def test_retina_jpeg():
+    here = os.path.dirname(__file__)
+    img = display.Image(os.path.join(here, "2x2.jpg"), retina=True)
+    nt.assert_equal(img.height, 1)
+    nt.assert_equal(img.width, 1)
+    data, md = img._repr_jpeg_()
+    nt.assert_equal(md['width'], 1)
+    nt.assert_equal(md['height'], 1)
+
 def test_image_filename_defaults():
     '''test format constraint, and validity of jpeg and png'''
     tpath = ipath.get_ipython_package_dir()