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management/front/dkha-web-sz-main/node_modules/traverse/test/negative.js

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2023-12-18 13:12:25 +08:00
var traverse = require('../');
var test = require('tape');
test('negative update test', function (t) {
var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
var fixed = traverse.map(obj, function (x) {
if (x < 0) this.update(x + 128);
});
t.same(fixed,
[ 5, 6, 125, [ 7, 8, 126, 1 ], { f: 10, g: 115 } ],
'Negative values += 128'
);
t.same(obj,
[ 5, 6, -3, [ 7, 8, -2, 1 ], { f: 10, g: -13 } ],
'Original references not modified'
);
t.end();
});