22 lines
617 B
TypeScript
22 lines
617 B
TypeScript
import { assertEquals } from "assert";
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import { b } from "../helpers.ts";
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import crc32 from "../../public/png/crc32.js";
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Deno.test("computes CRC32s", () => {
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// These tests are lifted from the following Go 1.19.3 code:
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//
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// ```
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// crc := crc32.NewIEEE()
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// fmt.Println(crc.Sum32())
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// crc.Write([]byte{})
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// fmt.Println(crc.Sum32())
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// crc.Write([]byte{1, 2, 3})
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// fmt.Println(crc.Sum32())
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// crc.Write([]byte{4, 5, 6})
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// fmt.Println(crc.Sum32())
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// ```
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assertEquals(crc32(), 0);
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assertEquals(crc32(b(1, 2, 3)), 1438416925);
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assertEquals(crc32(b(1, 2, 3, 4, 5, 6)), 2180413220);
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});
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