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54756e3a54b9
spec/util_bitcompat_spec.lua

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spec/util_bitcompat_spec.lua @ 12942:54756e3a54b9

util.table: Expand table.move() tests (thanks mutation testing)
author Matthew Wild <mwild1@gmail.com>
date Fri, 17 Mar 2023 17:06:05 +0000
parent 12366:c640717e01ca
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12366
c640717e01ca util.bitcompat: Add some simple tests
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1 describe("util.bitcompat", function ()
c640717e01ca util.bitcompat: Add some simple tests
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2 -- bitcompat will pass through to an appropriate implementation. Our
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3 -- goal here is to check that whatever implementation is in use passes
c640717e01ca util.bitcompat: Add some simple tests
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4 -- these basic sanity checks.
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5
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6 local bit = require "util.bitcompat";
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7
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8 it("bor works", function ()
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9 assert.equal(0xF0FF, bit.bor(0xF000, 0x00F0, 0x000F));
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10 end);
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11
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12 it("band works", function ()
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13 assert.equal(0x0F, bit.band(0xFF, 0x1F, 0x0F));
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14 end);
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15
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16 it("bxor works", function ()
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17 assert.equal(0x13, bit.bxor(0x10, 0x0F, 0x0C));
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18 end);
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19
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20 it("rshift works", function ()
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21 assert.equal(0x0F, bit.rshift(0xFF, 4));
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22 end);
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23
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24 it("lshift works", function ()
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25 assert.equal(0xFF00, bit.lshift(0xFF, 8));
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26 end);
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27 end);