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Add tests for array.indexOf helper

This commit is contained in:
David Evans 2017-11-03 18:59:01 +00:00
parent 2d8e3d60e1
commit 9b4e34c09c
1 changed files with 24 additions and 15 deletions
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39
scripts/core/ArrayUtilities_spec.js
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@ -1,6 +1,27 @@
defineDescribe('ArrayUtilities', ['./ArrayUtilities'], (array) => { defineDescribe('ArrayUtilities', ['./ArrayUtilities'], (array) => {
'use strict'; 'use strict';
function ignoreCase(a, b) {
return a.toLowerCase() === b.toLowerCase();
}
describe('.indexOf', () => {
it('returns the first index of the requested element', () => {
const p1 = ['a', 'b'];
expect(array.indexOf(p1, 'b')).toEqual(1);
});
it('returns -1 if the element is not found', () => {
const p1 = ['a', 'b'];
expect(array.indexOf(p1, 'c')).toEqual(-1);
});
it('uses the given equality check function', () => {
const p1 = ['a', 'b', 'c', 'd'];
expect(array.indexOf(p1, 'B', ignoreCase)).toEqual(1);
});
});
describe('.mergeSets', () => { describe('.mergeSets', () => {
it('adds elements from the second array into the first', () => { it('adds elements from the second array into the first', () => {
const p1 = ['a', 'b']; const p1 = ['a', 'b'];
@ -39,11 +60,7 @@ defineDescribe('ArrayUtilities', ['./ArrayUtilities'], (array) => {
it('uses the given equality check function', () => { it('uses the given equality check function', () => {
const p1 = ['a', 'b', 'c', 'd']; const p1 = ['a', 'b', 'c', 'd'];
const p2 = ['b', 'B', 'E', 'e']; const p2 = ['b', 'B', 'E', 'e'];
array.mergeSets( array.mergeSets(p1, p2, ignoreCase);
p1,
p2,
(a, b) => (a.toLowerCase() === b.toLowerCase())
);
expect(p1).toEqual(['a', 'b', 'c', 'd', 'E']); expect(p1).toEqual(['a', 'b', 'c', 'd', 'E']);
}); });
}); });
@ -86,11 +103,7 @@ defineDescribe('ArrayUtilities', ['./ArrayUtilities'], (array) => {
it('uses the given equality check function', () => { it('uses the given equality check function', () => {
const p1 = ['a', 'b', 'c', 'd']; const p1 = ['a', 'b', 'c', 'd'];
const p2 = ['B', 'e']; const p2 = ['B', 'e'];
array.removeAll( array.removeAll(p1, p2, ignoreCase);
p1,
p2,
(a, b) => (a.toLowerCase() === b.toLowerCase())
);
expect(p1).toEqual(['a', 'c', 'd']); expect(p1).toEqual(['a', 'c', 'd']);
}); });
}); });
@ -122,11 +135,7 @@ defineDescribe('ArrayUtilities', ['./ArrayUtilities'], (array) => {
it('uses the given equality check function', () => { it('uses the given equality check function', () => {
const p1 = ['a', 'b', 'c', 'd']; const p1 = ['a', 'b', 'c', 'd'];
array.remove( array.remove(p1, 'B', ignoreCase);
p1,
'B',
(a, b) => (a.toLowerCase() === b.toLowerCase())
);
expect(p1).toEqual(['a', 'c', 'd']); expect(p1).toEqual(['a', 'c', 'd']);
}); });
}); });