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-rw-r--r--tests/basics/int-big-and.py24
1 files changed, 20 insertions, 4 deletions
diff --git a/tests/basics/int-big-and.py b/tests/basics/int-big-and.py
index 75fbd52884..a48848dbf0 100644
--- a/tests/basics/int-big-and.py
+++ b/tests/basics/int-big-and.py
@@ -2,7 +2,23 @@ print(0 & (1 << 80))
print(0 & (1 << 80) == 0)
print(bool(0 & (1 << 80)))
-#a = 0xfffffffffffffffffffffffffffff
-#print(a & (1 << 80))
-#print((a & (1 << 80)) >> 80)
-#print((a & (1 << 80)) >> 80 == 1)
+a = 0xfffffffffffffffffffffffffffff
+print(a & (1 << 80))
+print((a & (1 << 80)) >> 80)
+print((a & (1 << 80)) >> 80 == 1)
+
+# test negative on rhs
+a = 123456789012345678901234567890
+print(a & -1)
+print(a & -2)
+print(a & -2345678901234567890123456789)
+print(a & (-a))
+
+# test negative on lhs
+a = 123456789012345678901234567890
+print(-1 & a)
+print(-2 & a)
+print(-2345678901234567890123456789 & a)
+print((-a) & a)
+print((-a) & 0xffffffff)
+print((-a) & 0xffffffffffffffffffffffffffffffff)