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var R = require('../source');var eq = require('./shared/eq');

describe('reject', function() {  var even = function(x) {return x % 2 === 0;};
  it('reduces an array to those not matching a filter', function() {    eq(R.reject(even, [1, 2, 3, 4, 5]), [1, 3, 5]);  });
  it('returns an empty array if no element matches', function() {    eq(R.reject(function(x) { return x < 100; }, [1, 9, 99]), []);  });
  it('returns an empty array if asked to filter an empty array', function() {    eq(R.reject(function(x) { return x > 100; }, []), []);  });
  it('returns an empty array if no element matches', function() {    eq(R.reject(function(x) { return x < 100; }, [1, 9, 99]), []);  });
  it('returns an empty array if asked to filter an empty array', function() {    eq(R.reject(function(x) { return x > 100; }, []), []);  });
  it('filters objects', function() {    eq(R.reject(R.equals(0), {}), {});    eq(R.reject(R.equals(0), {x: 0, y: 0, z: 0}), {});    eq(R.reject(R.equals(0), {x: 1, y: 0, z: 0}), {x: 1});    eq(R.reject(R.equals(0), {x: 1, y: 2, z: 0}), {x: 1, y: 2});    eq(R.reject(R.equals(0), {x: 1, y: 2, z: 3}), {x: 1, y: 2, z: 3});  });
  it('dispatches to `filter` method', function() {    function Nothing() {}    Nothing.value = new Nothing();    Nothing.prototype.filter = function() {      return this;    };
    function Just(x) { this.value = x; }    Just.prototype.filter = function(pred) {      return pred(this.value) ? this : Nothing.value;    };
    var m = new Just(42);    eq(R.filter(R.T, m), m);    eq(R.filter(R.F, m), Nothing.value);    eq(R.reject(R.T, m), Nothing.value);    eq(R.reject(R.F, m), m);  });
});