mirror of
https://github.com/janet-lang/janet
synced 2024-11-14 12:44:49 +00:00
67 lines
2.4 KiB
Clojure
67 lines
2.4 KiB
Clojure
|
# Copyright (c) 2019 Calvin Rose & contributors
|
||
|
|
#
|
||
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
# of this software and associated documentation files (the "Software"), to
|
||
|
|
# deal in the Software without restriction, including without limitation the
|
||
|
|
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||
|
|
# sell copies of the Software, and to permit persons to whom the Software is
|
||
|
|
# furnished to do so, subject to the following conditions:
|
||
|
|
#
|
||
|
|
# The above copyright notice and this permission notice shall be included in
|
||
|
|
# all copies or substantial portions of the Software.
|
||
|
|
#
|
||
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||
|
|
# IN THE SOFTWARE.
|
||
|
|
|
||
|
|
(import test/helper :prefix "" :exit true)
|
||
|
|
(start-suite 6)
|
||
|
|
|
||
|
|
# some tests for bigint
|
||
|
|
|
||
|
|
(assert-no-error
|
||
|
|
"create some uint64 bigints"
|
||
|
|
(do
|
||
|
|
# from number
|
||
|
|
(def a (bigint/uint64 10))
|
||
|
|
# max double we can convert to int (2^53)
|
||
|
|
(def b (bigint/uint64 0x1fffffffffffff))
|
||
|
|
(def b (bigint/uint64 (math/pow 2 53)))
|
||
|
|
# from string
|
||
|
|
(def c (bigint/uint64 "0xffffffffffffffff"))
|
||
|
|
(def d (bigint/uint64 "123456789"))))
|
||
|
|
|
||
|
|
(assert-no-error
|
||
|
|
"create some int64 bigints"
|
||
|
|
(do
|
||
|
|
# from number
|
||
|
|
(def a (bigint/int64 -10))
|
||
|
|
# max double we can convert to int (2^53)
|
||
|
|
(def b (bigint/int64 0x1fffffffffffff))
|
||
|
|
(def b (bigint/int64 (math/pow 2 53)))
|
||
|
|
# from string
|
||
|
|
(def c (bigint/int64 "0x7fffffffffffffff"))
|
||
|
|
(def d (bigint/int64 "123456789"))))
|
||
|
|
|
||
|
|
(assert-error
|
||
|
|
"bad initializers"
|
||
|
|
(do
|
||
|
|
# double to big to be converted to uint64 without truncation (2^53 + 1)
|
||
|
|
(def b (bigint/uint64 (+ 0xffff_ffff_ffff_ff 1)))
|
||
|
|
(def b (bigint/uint64 (+ (math/pow 2 53) 1)))
|
||
|
|
# out of range 65 bits
|
||
|
|
(def c (bigint/uint64 "0x1ffffffffffffffff"))
|
||
|
|
# just to big
|
||
|
|
(def d (bigint/uint64 "123456789123456789123456789"))))
|
||
|
|
|
||
|
|
(assert (:== (:/ (bigint/uint64 "0xffffffffffffffff") 8 2) "0xfffffffffffffff") "bigint operations")
|
||
|
|
(assert (let [a (bigint/uint64 0xff)] (:== (:+ a a a a) (:* a 2 2))) "bigint operations")
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
(end-suite)
|