1 files changed, 39 insertions, 0 deletions
diff --git a/tests/basics/builtin_pow3.py b/tests/basics/builtin_pow3.py
new file mode 100644
index 0000000000..35e143a388
--- /dev/null
+++ b/tests/basics/builtin_pow3.py
@@ -0,0 +1,39 @@
+# test builtin pow() with integral values
+# 3 arg version
+
+try:
+    print(pow(3, 4, 7))
+except NotImplementedError:
+    import sys
+    print("SKIP")
+    sys.exit()
+
+print(pow(555557, 1000002, 1000003))
+
+# 3 arg pow is defined to only work on integers
+try:
+    print(pow("x", 5, 6))
+except TypeError:
+    print("TypeError expected")
+
+try:
+    print(pow(4, "y", 6))
+except TypeError:
+    print("TypeError expected")
+
+try:
+    print(pow(4, 5, "z"))
+except TypeError:
+    print("TypeError expected")
+
+# Tests for 3 arg pow with large values
+
+# This value happens to be prime
+x = 0xd48a1e2a099b1395895527112937a391d02d4a208bce5d74b281cf35a57362502726f79a632f063a83c0eba66196712d963aa7279ab8a504110a668c0fc38a7983c51e6ee7a85cae87097686ccdc359ee4bbf2c583bce524e3f7836bded1c771a4efcb25c09460a862fc98e18f7303df46aaeb34da46b0c4d61d5cd78350f3edb60e6bc4befa712a849
+y = 0x3accf60bb1a5365e4250d1588eb0fe6cd81ad495e9063f90880229f2a625e98c59387238670936afb2cafc5b79448e4414d6cd5e9901aa845aa122db58ddd7b9f2b17414600a18c47494ed1f3d49d005a5
+
+print(hex(pow(2, 200, x))) # Should not overflow, just 1 << 200
+print(hex(pow(2, x-1, x))) # Should be 1, since x is prime
+print(hex(pow(y, x-1, x))) # Should be 1, since x is prime
+print(hex(pow(y, y-1, x))) # Should be a 'big value'
+print(hex(pow(y, y-1, y))) # Should be a 'big value'