40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
import { NumberBitflagSet, InvalidBitflagValueError } from '@module'
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test('Not powers of two', () => {
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const flags = new BitFlagSet()
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expect(() => flags.flag(0)).toThrow(InvalidBitFlagValueError)
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expect(() => flags.flag(11)).toThrow(InvalidBitFlagValueError)
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})
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test('Normalise to minimum', () => {
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const flags = new BitFlagSet()
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const flag1 = flags.flag(1)
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const flag2 = flags.flag(2, flag1)
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const flag4 = flags.flag(4, flag1)
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const flag8 = flags.flag(8, flag4)
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expect(flags.minimum(0)).toEqual(0)
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expect(flags.minimum(1)).toEqual(1)
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expect(flags.minimum(2)).toEqual(0)
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expect(flags.minimum(3)).toEqual(3)
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expect(flags.minimum(11)).toEqual(3)
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expect(flags.minimum(13)).toEqual(13)
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expect(flags.minimum(17)).toEqual(1)
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})
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test('Normalise to maximum', () => {
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const flags = new BitFlagSet()
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const flag1 = flags.flag(1)
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const flag2 = flags.flag(2, flag1)
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const flag4 = flags.flag(4, flag1)
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const flag8 = flags.flag(8, flag4)
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expect(flags.maximum(0)).toEqual(0)
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expect(flags.maximum(1)).toEqual(1)
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expect(flags.maximum(2)).toEqual(3)
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expect(flags.maximum(3)).toEqual(3)
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expect(flags.maximum(11)).toEqual(15)
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expect(flags.maximum(13)).toEqual(13)
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expect(flags.maximum(17)).toEqual(1)
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})
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