32 lines
908 B
Forth
32 lines
908 B
Forth
namespace UnitTests.Numbers.TestAlphabetSize
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open Xunit
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open System
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open BrotliLib.Numbers
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module Behavior =
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[<Theory>]
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[<InlineData(0, 0)>]
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[<InlineData(1, 0)>]
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[<InlineData(2, 1)>]
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[<InlineData(3, 2)>]
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[<InlineData(4, 2)>]
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[<InlineData(5, 3)>]
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[<InlineData(6, 3)>]
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[<InlineData(7, 3)>]
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[<InlineData(8, 3)>]
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[<InlineData(9, 4)>]
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[<InlineData(16, 4)>]
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[<InlineData(17, 5)>]
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[<InlineData(32, 5)>]
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[<InlineData(33, 6)>]
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[<InlineData(256, 8)>]
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[<InlineData(704, 10)>]
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let ``alphabet of specified size calculates amount of bits per symbol correctly`` (symbols: int, bits: int) =
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Assert.Equal(bits, AlphabetSize(symbols).BitsPerSymbol)
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[<Fact>]
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let ``constructing alphabet with negative amount of symbols throws exception`` () =
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Assert.Throws<ArgumentOutOfRangeException>(fun () -> AlphabetSize(-1) |> ignore)
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