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Add delta message to closeTo() error

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Nathan Landis 2019-04-17 16:31:57 -05:00
parent 1cededa167
commit 8d6330cc04
3 changed files with 12 additions and 2 deletions
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3
chai.js
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@ -3311,8 +3311,9 @@ module.exports = function (chai, _) {
new Assertion(obj, flagMsg, ssfi, true).is.a('number');
if (typeof expected !== 'number' || typeof delta !== 'number') {
flagMsg = flagMsg ? flagMsg + ': ' : '';
var deltaMessage = delta === undefined ? ", and a delta is required" : "";
throw new AssertionError(
flagMsg + 'the arguments to closeTo or approximately must be numbers',
flagMsg + 'the arguments to closeTo or approximately must be numbers' + deltaMessage,
undefined,
ssfi
);

3
lib/chai/core/assertions.js
View file

@ -2950,8 +2950,9 @@ module.exports = function (chai, _) {
new Assertion(obj, flagMsg, ssfi, true).is.a('number');
if (typeof expected !== 'number' || typeof delta !== 'number') {
flagMsg = flagMsg ? flagMsg + ': ' : '';
var deltaMessage = delta === undefined ? ", and a delta is required" : "";
throw new AssertionError(
flagMsg + 'the arguments to closeTo or approximately must be numbers',
flagMsg + 'the arguments to closeTo or approximately must be numbers' + deltaMessage,
undefined,
ssfi
);

8
test/assert.js
View file

@ -1848,6 +1848,10 @@ describe('assert', function () {
err(function() {
assert.closeTo(1.5, 1.0, true, 'blah');
}, "blah: the arguments to closeTo or approximately must be numbers");
err(function() {
assert.closeTo(1.5, 1.0, undefined, 'blah');
}, "blah: the arguments to closeTo or approximately must be numbers, and a delta is required");
});
it('approximately', function(){
@ -1874,6 +1878,10 @@ describe('assert', function () {
err(function() {
assert.approximately(1.5, 1.0, true, 'blah');
}, "blah: the arguments to closeTo or approximately must be numbers");
err(function() {
assert.approximately(1.5, 1.0, undefined, 'blah');
}, "blah: the arguments to closeTo or approximately must be numbers, and a delta is required");
});
it('sameMembers', function() {