bpo-42749: Fix testing bignum if Tkinter is compiled with Tk 8.4 and dynamic linked with Tk >= 8.5 (GH-23955)
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index d104eb8..5bc4f9b 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -138,10 +138,14 @@ def testUnsetVarException(self):
def get_integers(self):
integers = (0, 1, -1, 2**31-1, -2**31, 2**31, -2**31-1, 2**63-1, -2**63)
- # bignum was added in Tcl 8.5, but its support is able only since 8.5.8
- if (get_tk_patchlevel() >= (8, 6, 0, 'final') or
- (8, 5, 8) <= get_tk_patchlevel() < (8, 6)):
- integers += (2**63, -2**63-1, 2**1000, -2**1000)
+ # bignum was added in Tcl 8.5, but its support is able only since 8.5.8.
+ # Actually it is determined at compile time, so using get_tk_patchlevel()
+ # is not reliable.
+ # TODO: expose full static version.
+ if tcl_version >= (8, 5):
+ v = get_tk_patchlevel()
+ if v >= (8, 6, 0, 'final') or (8, 5, 8) <= v < (8, 6):
+ integers += (2**63, -2**63-1, 2**1000, -2**1000)
return integers
def test_getint(self):