32 lines
946 B
JavaScript
32 lines
946 B
JavaScript
describe("toBeNegativeInfinity", function() {
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it("fails for anything that isn't -Infinity", function() {
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var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
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result;
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result = matcher.compare(1);
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expect(result.pass).toBe(false);
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result = matcher.compare(Number.NaN);
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expect(result.pass).toBe(false);
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result = matcher.compare(null);
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expect(result.pass).toBe(false);
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});
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it("has a custom message on failure", function() {
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var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
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result = matcher.compare(0);
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expect(result.message()).toEqual("Expected 0 not to be -Infinity.")
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});
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it("succeeds for -Infinity", function() {
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var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
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result = matcher.compare(Number.NEGATIVE_INFINITY);
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expect(result.pass).toBe(true);
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expect(result.message).toEqual("Expected actual to be -Infinity.")
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});
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});
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