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test: improve test-buffer-includes.js

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* verify error message
* use arrow funcs

PR-URL: https://github.com/nodejs/node/pull/11203
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
toboid 2017-02-06 21:08:34 +00:00 committed by James M Snell
parent f65aa08b52
commit 1544d8f04b
1 changed files with 9 additions and 7 deletions
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16
test/parallel/test-buffer-includes.js
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@ -275,15 +275,17 @@ for (let lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
} }
} }
assert.throws(function() { const expectedError =
b.includes(function() { }); /^TypeError: "val" argument must be string, number, Buffer or Uint8Array$/;
}); assert.throws(() => {
assert.throws(function() { b.includes(() => {});
}, expectedError);
assert.throws(() => {
b.includes({}); b.includes({});
}); }, expectedError);
assert.throws(function() { assert.throws(() => {
b.includes([]); b.includes([]);
}); }, expectedError);
// test truncation of Number arguments to uint8 // test truncation of Number arguments to uint8
{ {