39d7ebf28e
Helps reduce how nested custom matchers have to be for users as well as Jasmine internal matchers [#59161378]
52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
describe("toBeCloseTo", function() {
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it("passes when within two decimal places by default", function() {
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var matcherComparator = j$.matchers.toBeCloseTo(),
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result;
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result = matcherComparator(0, 0);
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expect(result.pass).toBe(true);
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result = matcherComparator(0, 0.001);
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expect(result.pass).toBe(true);
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});
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it("fails when not within two decimal places by default", function() {
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var matcherComparator = j$.matchers.toBeCloseTo(),
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result;
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result = matcherComparator(0, 0.01);
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expect(result.pass).toBe(false);
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});
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it("accepts an optional precision argument", function() {
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var matcherComparator = j$.matchers.toBeCloseTo(),
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result;
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result = matcherComparator(0, 0.1, 0);
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expect(result.pass).toBe(true);
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result = matcherComparator(0, 0.0001, 3);
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expect(result.pass).toBe(true);
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});
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it("rounds expected values", function() {
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var matcherComparator = j$.matchers.toBeCloseTo(),
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result;
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result = matcherComparator(1.23, 1.229);
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expect(result.pass).toBe(true);
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result = matcherComparator(1.23, 1.226);
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expect(result.pass).toBe(true);
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result = matcherComparator(1.23, 1.225);
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expect(result.pass).toBe(true);
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result = matcherComparator(1.23, 1.2249999);
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expect(result.pass).toBe(false);
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result = matcherComparator(1.23, 1.234);
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expect(result.pass).toBe(true);
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});
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});
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