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BREAKING(std/encoding/hex): simplify API (#6690)

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Marcos Casagrande 2020-07-09 22:50:19 +02:00 • committed by GitHub
parent 634d6af7a1
commit dc6b3ef714
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2 changed files with 56 additions and 118 deletions
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77
std/encoding/hex_test.ts
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@ -34,15 +34,14 @@ const testCases = [
const errCases = [
// encoded(hex) / error
["", "", undefined],
["0", "", errLength()],
["zd4aa", "", errInvalidByte(toByte("z"))],
["d4aaz", "\xd4\xaa", errInvalidByte(toByte("z"))],
["30313", "01", errLength()],
["0g", "", errInvalidByte(new TextEncoder().encode("g")[0])],
["00gg", "\x00", errInvalidByte(new TextEncoder().encode("g")[0])],
["0\x01", "", errInvalidByte(new TextEncoder().encode("\x01")[0])],
["ffeed", "\xff\xee", errLength()],
["0", errLength()],
["zd4aa", errInvalidByte(toByte("z"))],
["d4aaz", errInvalidByte(toByte("z"))],
["30313", errLength()],
["0g", errInvalidByte(new TextEncoder().encode("g")[0])],
["00gg", errInvalidByte(new TextEncoder().encode("g")[0])],
["0\x01", errInvalidByte(new TextEncoder().encode("\x01")[0])],
["ffeed", errLength()],
];
Deno.test({
@ -62,30 +61,15 @@ Deno.test({
{
const srcStr = "abc";
const src = new TextEncoder().encode(srcStr);
const dest = new Uint8Array(encodedLen(src.length));
const int = encode(src, dest);
const dest = encode(src);
assertEquals(src, new Uint8Array([97, 98, 99]));
assertEquals(int, 6);
}
{
const srcStr = "abc";
const src = new TextEncoder().encode(srcStr);
const dest = new Uint8Array(2); // out of index
assertThrows(
(): void => {
encode(src, dest);
},
Error,
"Out of index."
);
assertEquals(dest.length, 6);
}
for (const [enc, dec] of testCases) {
const dest = new Uint8Array(encodedLen(dec.length));
const src = new Uint8Array(dec as number[]);
const n = encode(src, dest);
assertEquals(dest.length, n);
const dest = encode(src);
assertEquals(dest.length, src.length * 2);
assertEquals(new TextDecoder().decode(dest), enc);
}
},
@ -123,10 +107,8 @@ Deno.test({
const cases = testCases.concat(extraTestcase);
for (const [enc, dec] of cases) {
const dest = new Uint8Array(decodedLen(enc.length));
const src = new TextEncoder().encode(enc as string);
const [, err] = decode(src, dest);
assertEquals(err, undefined);
const dest = decode(src);
assertEquals(Array.from(dest), Array.from(dec as number[]));
}
},
@ -146,14 +128,12 @@ Deno.test({
Deno.test({
name: "[encoding.hex] decode error",
fn(): void {
for (const [input, output, expectedErr] of errCases) {
const out = new Uint8Array((input as string).length + 10);
const [n, err] = decode(new TextEncoder().encode(input as string), out);
assertEquals(
new TextDecoder("ascii").decode(out.slice(0, n)),
output as string
for (const [input, expectedErr] of errCases) {
assertThrows(
() => decode(new TextEncoder().encode(input as string)),
Error,
(expectedErr as Error).message
);
assertEquals(err, expectedErr);
}
},
});
@ -161,19 +141,14 @@ Deno.test({
Deno.test({
name: "[encoding.hex] decodeString error",
fn(): void {
for (const [input, output, expectedErr] of errCases) {
if (expectedErr) {
assertThrows(
(): void => {
decodeString(input as string);
},
Error,
(expectedErr as Error).message
);
} else {
const out = decodeString(input as string);
assertEquals(new TextDecoder("ascii").decode(out), output as string);
}
for (const [input, expectedErr] of errCases) {
assertThrows(
(): void => {
decodeString(input as string);
},
Error,
(expectedErr as Error).message
);
}
},
});