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x/ramda/test/remove.js

:ram: Practical functional Javascript
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var R = require('../source');var eq = require('./shared/eq');

describe('remove', function() { it('splices out a sub-list of the given list', function() { var list = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; eq(R.remove(2, 5, list), ['a', 'b', 'h', 'i', 'j']); });
it('returns the appropriate sublist when start == 0', function() { var list = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; eq(R.remove(0, 5, list), ['f', 'g', 'h', 'i', 'j']); eq(R.remove(0, 1, list), ['b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']); eq(R.remove(0, list.length, list), []); });
it('removes the end of the list if the count is too large', function() { var list = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; eq(R.remove(2, 20, list), ['a', 'b']); });
it('retains the entire list if the start is too large', function() { var list = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; eq(R.remove(13, 3, list), ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']); });
});