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added tests for issue #141 #144

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added tests for issue #141 #144

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47 changes: 47 additions & 0 deletions test/tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -580,6 +580,53 @@
});
});

describe('regression test for issue #141', function() {
var changeFail = { kind: 'E', path: ['foo'], lhs: true, rhs: false };
var changeSucceed = { kind: 'E', path: ['foo'], lhs: 1, rhs: 3 };

var revertLHSFalsey = { kind: 'E', path: ['foo'], lhs: -1, rhs: 1 };
var revertBothFalsey = { kind: 'E', path: ['foo'], lhs: -1, rhs: -3 };
var revertLHSTruthy = { kind: 'E', path: ['foo'], lhs: 1, rhs: 3 };
var revertBothTruthy = { kind: 'E', path: ['foo'], lhs: 1, rhs: 3 };

it('applies changes correctly when the new value is truthy', function() {
var target = { foo: changeSucceed.lhs };
deep.applyChange(target, changeSucceed);
expect(target.foo).to.equal(changeSucceed.rhs);
});

it('applies changes correctly when the new value is falsey', function() {
var target = { foo: changeFail.lhs };
deep.applyChange(target, changeFail);
expect(target.foo).to.equal(changeFail.rhs);
});

it('reverts changes correctly when both values are truthy', function() {
var target = { foo: 'hello' };
deep.revertChange(target, revertBothTruthy);
expect(target.foo).to.equal(revertBothTruthy.lhs);
});

it('reverts changes correctly when both values are falsey', function() {
var target = { foo: 'hello' };
deep.revertChange(target, revertBothFalsey);
expect(target.foo).to.equal(revertBothFalsey.lhs);
});

it('reverts changes correctly when the new value is truthy', function() {
var target = { foo: revertLHSTruthy.rhs };
deep.revertChange(target, revertLHSTruthy);
expect(target.foo).to.equal(revertLHSTruthy.lhs);
});

it('reverts changes correctly when the new value is falsey', function() {
var target = { foo: revertLHSFalsey.rhs };
deep.revertChange(target, revertLHSFalsey);
expect(target.foo).to.equal(revertLHSFalsey.lhs);
});

});

describe('Order independent hash testing', function () {
function sameHash(a, b) {
expect(deep.orderIndepHash(a)).to.equal(deep.orderIndepHash(b));
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