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Diffstat (limited to 'node_modules/@sinonjs/commons/lib/every.test.js')
-rw-r--r-- | node_modules/@sinonjs/commons/lib/every.test.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/node_modules/@sinonjs/commons/lib/every.test.js b/node_modules/@sinonjs/commons/lib/every.test.js new file mode 100644 index 0000000..f893d43 --- /dev/null +++ b/node_modules/@sinonjs/commons/lib/every.test.js @@ -0,0 +1,41 @@ +"use strict"; + +var assert = require("@sinonjs/referee-sinon").assert; +var sinon = require("@sinonjs/referee-sinon").sinon; +var every = require("./every"); + +describe("util/core/every", function() { + it("returns true when the callback function returns true for every element in an iterable", function() { + var obj = [true, true, true, true]; + var allTrue = every(obj, function(val) { + return val; + }); + + assert(allTrue); + }); + + it("returns false when the callback function returns false for any element in an iterable", function() { + var obj = [true, true, true, false]; + var result = every(obj, function(val) { + return val; + }); + + assert.isFalse(result); + }); + + it("calls the given callback once for each item in an iterable until it returns false", function() { + var iterableOne = [true, true, true, true]; + var iterableTwo = [true, true, false, true]; + var callback = sinon.spy(function(val) { + return val; + }); + + every(iterableOne, callback); + assert.equals(callback.callCount, 4); + + callback.resetHistory(); + + every(iterableTwo, callback); + assert.equals(callback.callCount, 3); + }); +}); |