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

describe('whereEq', function() {
  it('returns true if the test object satisfies the spec', function() {    var spec = {x: 1, y: 2};    var test1 = {x: 0, y: 200};    var test2 = {x: 0, y: 10};    var test3 = {x: 1, y: 101};    var test4 = {x: 1, y: 2};    eq(R.whereEq(spec, test1), false);    eq(R.whereEq(spec, test2), false);    eq(R.whereEq(spec, test3), false);    eq(R.whereEq(spec, test4), true);  });
  it('does not need the spec and the test object to have the same interface (the test object will have a superset of the specs properties)', function() {    var spec = {x: 100};    var test1 = {x: 20, y: 100, z: 100};    var test2 = {w: 1, x: 100, y: 100, z: 100};
    eq(R.whereEq(spec, test1), false);    eq(R.whereEq(spec, test2), true);  });
  it('matches specs that have undefined properties', function() {    var spec = {x: undefined};    var test1 = {};    var test2 = {x: null};    var test3 = {x: undefined};    var test4 = {x: 1};    eq(R.whereEq(spec, test1), true);    eq(R.whereEq(spec, test2), false);    eq(R.whereEq(spec, test3), true);    eq(R.whereEq(spec, test4), false);  });
  it('is true for an empty spec', function() {    eq(R.whereEq({}, {a: 1}), true);  });
  it('reports true when the object equals the spec', function() {    eq(R.whereEq(R, R), true);  });
  function Parent() {    this.y = 6;  }  Parent.prototype.a = undefined;  Parent.prototype.x = 5;  var parent = new Parent();
  it('matches inherited props', function() {    eq(R.whereEq({y: 6}, parent), true);    eq(R.whereEq({x: 5}, parent), true);    eq(R.whereEq({x: 5, y: 6}, parent), true);    eq(R.whereEq({x: 4, y: 6}, parent), false);  });
  it('does not match inherited spec', function() {    eq(R.whereEq(parent, {y: 6}), true);    eq(R.whereEq(parent, {x: 5}), false);  });
});