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31 lines
806 B
31 lines
806 B
describe("util.bitcompat", function ()
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-- bitcompat will pass through to an appropriate implementation. Our
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-- goal here is to check that whatever implementation is in use passes
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-- these basic sanity checks.
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local bit = require "util.bitcompat";
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it("bor works", function ()
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assert.equal(0xF0FF, bit.bor(0xF000, 0x00F0, 0x000F));
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end);
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it("band works", function ()
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assert.equal(0x0F, bit.band(0xFF, 0x1F, 0x0F));
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end);
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it("bxor works", function ()
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assert.equal(0x13, bit.bxor(0x10, 0x0F, 0x0C));
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end);
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it("rshift works", function ()
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assert.equal(0x0F, bit.rshift(0xFF, 4));
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end);
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it("lshift works", function ()
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assert.equal(0xFF00, bit.lshift(0xFF, 8));
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end);
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it("bnot works", function ()
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assert.equal(0x0000FF00, bit.band(0xFFFFFFFF, bit.bnot(0xFFFF00FF)));
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end);
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end);
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