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codeql-action/node_modules/stop-iteration-iterator/test/index.js
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'use strict'; | |
var test = require('tape'); | |
var stopIterationIterator = require('../'); | |
test('stopIterationIterator', function (t) { | |
t.equal(typeof stopIterationIterator, 'function', 'stopIterationIterator is a function'); | |
t.test('no StopIteration support', { skip: typeof StopIteration === 'object' }, function (st) { | |
st['throws']( | |
function () { stopIterationIterator(); }, | |
SyntaxError, | |
'throws a SyntaxError when StopIteration is not supported' | |
); | |
st.end(); | |
}); | |
t.test('StopIteration support', { skip: typeof StopIteration !== 'object' }, function (st) { | |
var s = new Set([1, 2]); | |
var i = s.iterator(); | |
st.equal(i.next(), 1, 'first item is 1'); | |
st.equal(i.next(), 2, 'second item is 2'); | |
try { | |
i.next(); | |
st.fail(); | |
} catch (e) { | |
st.equal(e, StopIteration, 'StopIteration thrown'); | |
} | |
var m = new Map([[1, 'a'], [2, 'b']]); | |
var mi = m.iterator(); | |
st.deepEqual(mi.next(), [1, 'a'], 'first item is 1 and a'); | |
st.deepEqual(mi.next(), [2, 'b'], 'second item is 2 and b'); | |
try { | |
mi.next(); | |
st.fail(); | |
} catch (e) { | |
st.equal(e, StopIteration, 'StopIteration thrown'); | |
} | |
st.end(); | |
}); | |
t.end(); | |
}); |