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

var a = {id: 1, name: 'a'};var b = {id: 2, name: 'b'};var c = {id: 3, name: 'c'};var f = R.innerJoin(function(r, id) { return r.id === id; });

describe('innerJoin', function() {
  it('only returns elements from the first list', function() {    eq(f([a, b, c], []), []);    eq(f([a, b, c], [1]), [a]);    eq(f([a, b, c], [1, 2]), [a, b]);    eq(f([a, b, c], [1, 2, 3]), [a, b, c]);    eq(f([a, b, c], [1, 2, 3, 4]), [a, b, c]);  });
  it('does not remove duplicates', function() {    eq(f([a, a, a], [1, 2, 3]), [a, a, a]);    eq(f([a, b, c], [1, 1, 1]), [a]);  });
});