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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/buffer/test/node/test-buffer-inheritance.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/buffer/test/node/test-buffer-inheritance.js')
| -rw-r--r-- | node_modules/buffer/test/node/test-buffer-inheritance.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/buffer/test/node/test-buffer-inheritance.js b/node_modules/buffer/test/node/test-buffer-inheritance.js new file mode 100644 index 00000000..711d9f23 --- /dev/null +++ b/node_modules/buffer/test/node/test-buffer-inheritance.js @@ -0,0 +1,42 @@ +'use strict'; +var Buffer = require('../../').Buffer; + + + +var assert = require('assert'); + + +function T(n) { + var ui8 = new Uint8Array(n); + Object.setPrototypeOf(ui8, T.prototype); + return ui8; +} +Object.setPrototypeOf(T.prototype, Buffer.prototype); +Object.setPrototypeOf(T, Buffer); + +T.prototype.sum = function sum() { + var cntr = 0; + for (var i = 0; i < this.length; i++) + cntr += this[i]; + return cntr; +}; + + +var vals = [new T(4), T(4)]; + +vals.forEach(function(t) { + assert.equal(t.constructor, T); + assert.equal(Object.getPrototypeOf(t), T.prototype); + assert.equal(Object.getPrototypeOf(Object.getPrototypeOf(t)), + Buffer.prototype); + + t.fill(5); + var cntr = 0; + for (var i = 0; i < t.length; i++) + cntr += t[i]; + assert.equal(t.length * 5, cntr); + + // Check this does not throw + t.toString(); +}); + |
