Ensure that complex() only accepts a string argument as the first arg,
and only if there is no second arg.
This closes SF patch #479551.
diff --git a/Lib/test/test_b1.py b/Lib/test/test_b1.py
index b328b38..f2d0c24 100644
--- a/Lib/test/test_b1.py
+++ b/Lib/test/test_b1.py
@@ -122,6 +122,14 @@
if complex(0.0, 3.14j) != -3.14+0j: raise TestFailed, 'complex(0.0, 3.14j)'
if complex(0j, 3.14) != 3.14j: raise TestFailed, 'complex(0j, 3.14)'
if complex(0.0, 3.14) != 3.14j: raise TestFailed, 'complex(0.0, 3.14)'
+if complex("1") != 1+0j: raise TestFailed, 'complex("1")'
+if complex("1j") != 1j: raise TestFailed, 'complex("1j")'
+try: complex("1", "1")
+except TypeError: pass
+else: raise TestFailed, 'complex("1", "1")'
+try: complex(1, "1")
+except TypeError: pass
+else: raise TestFailed, 'complex(1, "1")'
if complex(" 3.14+J ") != 3.14+1j: raise TestFailed, 'complex(" 3.14+J )"'
if have_unicode:
if complex(unicode(" 3.14+J ")) != 3.14+1j: