1 describe("util.bitcompat", function ()

     2 	-- bitcompat will pass through to an appropriate implementation. Our

     3 	-- goal here is to check that whatever implementation is in use passes

     4 	-- these basic sanity checks.

     5 

     6 	local bit = require "util.bitcompat";

     7 

     8 	it("bor works", function ()

     9 		assert.equal(0xF0FF, bit.bor(0xF000, 0x00F0, 0x000F));

    10 	end);

    11 

    12 	it("band works", function ()

    13 		assert.equal(0x0F, bit.band(0xFF, 0x1F, 0x0F));

    14 	end);

    15 

    16 	it("bxor works", function ()

    17 		assert.equal(0x13, bit.bxor(0x10, 0x0F, 0x0C));

    18 	end);

    19 

    20 	it("rshift works", function ()

    21 		assert.equal(0x0F, bit.rshift(0xFF, 4));

    22 	end);

    23 

    24 	it("lshift works", function ()

    25 		assert.equal(0xFF00, bit.lshift(0xFF, 8));

    26 	end);

    27 end);