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test: basic functionality of readUIntBE() #10417

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test: basic functionality of readUIntBE()
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@larissayvette
larissayvette committed Dec 23, 2016
commit 83e79cf3edff4a9be02093c4abe03b60ae60e044
24 changes: 24 additions & 0 deletions test/parallel/test-buffer-readuintbe.js
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Original file line number Diff line number Diff line change
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'use strict';
require('../common');
const assert = require('assert');

// testing basic functionality of readUIntBE()

const buf = Buffer.from([42, 84, 168, 127]);
const result = buf.readUIntBE(2);

assert.strictEqual(result, 84);

assert.throws(
() => {
buf.readUIntBE(5);
},
/Index out of range/
);

assert.doesNotThrow(
() => {
buf.readUIntBE(5, 0, true);
},
'readUIntBE() should not throw if noAssert is true'
);