Issue 1872: Changed the struct module typecode from 't' to '?', for

compatibility with PEP3118.

1 files changed, 14 insertions, 14 deletions

diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 925308d46a..d226115527 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -84,8 +84,8 @@ sz = struct.calcsize('i')
 if sz * 3 != struct.calcsize('iii'):
     raise TestFailed, 'inconsistent sizes'
 
-fmt = 'cbxxxxxxhhhhiillffdt'
-fmt3 = '3c3b18x12h6i6l6f3d3t'
+fmt = 'cbxxxxxxhhhhiillffd?'
+fmt3 = '3c3b18x12h6i6l6f3d3?'
 sz = struct.calcsize(fmt)
 sz3 = struct.calcsize(fmt3)
 if sz * 3 != sz3:
@@ -111,7 +111,7 @@ d = 3.1415
 t = True
 
 for prefix in ('', '@', '<', '>', '=', '!'):
-    for format in ('xcbhilfdt', 'xcBHILfdt'):
+    for format in ('xcbhilfd?', 'xcBHILfd?'):
         format = prefix + format
         if verbose:
             print "trying:", format
@@ -160,11 +160,11 @@ tests = [
     ('f', -2.0, '\300\000\000\000', '\000\000\000\300', 0),
     ('d', -2.0, '\300\000\000\000\000\000\000\000',
                '\000\000\000\000\000\000\000\300', 0),
-        ('t', 0, '\0', '\0', 0),
-        ('t', 3, '\1', '\1', 1),
-        ('t', True, '\1', '\1', 0),
-        ('t', [], '\0', '\0', 1),
-        ('t', (1,), '\1', '\1', 1),
+        ('?', 0, '\0', '\0', 0),
+        ('?', 3, '\1', '\1', 1),
+        ('?', True, '\1', '\1', 0),
+        ('?', [], '\0', '\0', 1),
+        ('?', (1,), '\1', '\1', 1),
 ]
 
 for fmt, arg, big, lil, asy in tests:
@@ -633,13 +633,13 @@ def test_bool():
         false = (), [], [], '', 0
         true = [1], 'test', 5, -1, 0xffffffffL+1, 0xffffffff/2
 
-        falseFormat = prefix + 't' * len(false)
+        falseFormat = prefix + '?' * len(false)
         if verbose:
             print 'trying bool pack/unpack on', false, 'using format', falseFormat
         packedFalse = struct.pack(falseFormat, *false)
         unpackedFalse = struct.unpack(falseFormat, packedFalse)
 
-        trueFormat = prefix + 't' * len(true)
+        trueFormat = prefix + '?' * len(true)
         if verbose:
             print 'trying bool pack/unpack on', true, 'using format', trueFormat
         packedTrue = struct.pack(trueFormat, *true)
@@ -658,10 +658,10 @@ def test_bool():
                 raise TestFailed('%r did not unpack as false' % t)
 
         if prefix and verbose:
-            print 'trying size of bool with format %r' % (prefix+'t')
-        packed = struct.pack(prefix+'t', 1)
+            print 'trying size of bool with format %r' % (prefix+'?')
+        packed = struct.pack(prefix+'?', 1)
 
-        if len(packed) != struct.calcsize(prefix+'t'):
+        if len(packed) != struct.calcsize(prefix+'?'):
             raise TestFailed('packed length is not equal to calculated size')
 
         if len(packed) != 1 and prefix:
@@ -670,7 +670,7 @@ def test_bool():
             print 'size of bool in native format is %i' % (len(packed))
 
         for c in '\x01\x7f\xff\x0f\xf0':
-            if struct.unpack('>t', c)[0] is not True:
+            if struct.unpack('>?', c)[0] is not True:
                 raise TestFailed('%c did not unpack as True' % c)
 
 test_bool()