Created
November 26, 2019 19:22
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JS Bin // source https://jsbin.com/kecokez
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<link href="http://nightly.enyojs.com/latest/enyo-nightly/enyo.css" rel="stylesheet" type="text/css" /> | |
<script src="http://nightly.enyojs.com/latest/enyo-nightly/enyo.js"></script> | |
<script src="http://nightly.enyojs.com/latest/lib/layout/package.js"></script> | |
<script src="http://nightly.enyojs.com/latest/lib/onyx/package.js"></script> | |
<script src="http://nightly.enyojs.com/latest/lib/g11n/package.js"></script> | |
<script src="http://nightly.enyojs.com/latest/lib/canvas/package.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/expect/1.20.2/expect.min.js"></script> | |
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<script id="jsbin-javascript"> | |
'use strict'; | |
function counter(state, action) { | |
// If a request is made against state and it doesn't exist, the | |
// function should return what it thinks is the initial state. | |
if (typeof state === 'undefined') { | |
return 0; | |
} | |
if (action.type === 'INCREMENT') { | |
return state + 1; | |
} else if (action.type === 'DECREMENT') { | |
return state - 1; | |
} else { | |
return state; // HANDLE UNKNOWN ACTIONS | |
} | |
} | |
expect(counter(0, { type: 'INCREMENT' })).toEqual(1); | |
expect(counter(1, { type: 'INCREMENT' })).toEqual(2); | |
expect(counter(2, { type: 'DECREMENT' })).toEqual(1); | |
expect(counter(1, { type: 'DECREMENT' })).toEqual(0); | |
expect(counter(1, { type: 'SOMETHING STRANGE' })).toEqual(1); | |
expect(counter(undefined, {})).toEqual(0); | |
console.log('Tests passed!'); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript">function counter(state, action) { | |
// If a request is made against state and it doesn't exist, the | |
// function should return what it thinks is the initial state. | |
if (typeof state === 'undefined') { | |
return 0; | |
} | |
if (action.type === 'INCREMENT') { | |
return state + 1; | |
} else if (action.type === 'DECREMENT') { | |
return state - 1; | |
} else { | |
return state; // HANDLE UNKNOWN ACTIONS | |
} | |
} | |
expect( | |
counter(0, { type: 'INCREMENT'}) | |
).toEqual(1); | |
expect( | |
counter(1, { type: 'INCREMENT'}) | |
).toEqual(2); | |
expect( | |
counter(2, { type: 'DECREMENT'}) | |
).toEqual(1) | |
expect( | |
counter(1, {type: 'DECREMENT'}) | |
).toEqual(0); | |
expect( | |
counter(1, { type: 'SOMETHING STRANGE'}) | |
).toEqual(1) | |
expect( | |
counter(undefined, {}) | |
).toEqual(0) | |
console.log('Tests passed!')</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
'use strict'; | |
function counter(state, action) { | |
// If a request is made against state and it doesn't exist, the | |
// function should return what it thinks is the initial state. | |
if (typeof state === 'undefined') { | |
return 0; | |
} | |
if (action.type === 'INCREMENT') { | |
return state + 1; | |
} else if (action.type === 'DECREMENT') { | |
return state - 1; | |
} else { | |
return state; // HANDLE UNKNOWN ACTIONS | |
} | |
} | |
expect(counter(0, { type: 'INCREMENT' })).toEqual(1); | |
expect(counter(1, { type: 'INCREMENT' })).toEqual(2); | |
expect(counter(2, { type: 'DECREMENT' })).toEqual(1); | |
expect(counter(1, { type: 'DECREMENT' })).toEqual(0); | |
expect(counter(1, { type: 'SOMETHING STRANGE' })).toEqual(1); | |
expect(counter(undefined, {})).toEqual(0); | |
console.log('Tests passed!'); |
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