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spec/util_bitcompat_spec.lua

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spec/util_bitcompat_spec.lua @ 13832:5973a5d22ab5 13.0

mod_storage_sql: Delay showing SQL library error until attempted load This should ensure that e.g. failure to load LuaSQLite3 is not logged unless it is needed, since module failures are very verbose. Closes #1919
author Kim Alvefur <zash@zash.se>
date Mon, 07 Apr 2025 20:23:00 +0200
parent 13449:9912baa541c0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c640717e01ca util.bitcompat: Add some simple tests
Matthew Wild <mwild1@gmail.com>
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1 describe("util.bitcompat", function ()
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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
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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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9912baa541c0 util.bit53: Add bnot() method
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27
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28 it("bnot works", function ()
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29 assert.equal(0x0000FF00, bit.band(0xFFFFFFFF, bit.bnot(0xFFFF00FF)));
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30 end);
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31 end);