			local util = include "util"
			local json = lib "json"

			TestUtil = {}

			function TestUtil:testMerge2()
			local t1 = { one = 1, two = 2 }
			local t2 = { three = 3, four = 4 }

			local actual = json.encode(util.merge2(t1, t2))
			local expected = json.encode({ one = 1, two = 2, three = 3, four = 4 })
			assertEquals(actual, expected)
			end

			function TestUtil:testMergeMultiple()
			local t1 = { one = 1 }
			local t2 = { two = 2 }
			local t3 = { three = 3 }

			local actual = json.encode(util.merge(t1, t2, t3))
			local expected = json.encode({ one = 1, two = 2, three = 3 })
			assertEquals(actual, expected)
			end

			function TestUtil:testForeachI()
			local t = { 1, 2, 3 }
			local sum = 0
			util.foreachi(t, function(x) sum = sum + x end)
			assertEquals(sum, 1 + 2 + 3)
			end

			function TestUtil:testForeach()
			local t = { 1, 2, 3 }
			local sum = 0
			util.foreach(t, function(x) sum = sum + x end)
			assertEquals(sum, 1 + 2 + 3)
			end

			function TestUtil:testLerp()
			assertEquals(util.lerp(0, 1, 0.5), 0.5)
			end

			function TestUtil:testRotateVector()
			local x, y = util.rotateVector(1, 0, math.pi / 2)
			assertAlmostEquals(x, 0, 0.001)
			assertAlmostEquals(y, 1, 0.001)
			end

cellulo-lovr/test/main/include/util.lua
7bc7bcd85032master

util.lua
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