How to use testExpectClosure method of DSLTest class

Best Nimble code snippet using DSLTest.testExpectClosure

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DSLTest.swift

Source: DSLTest.swift Github

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1import XCTest
2import Nimble
3
4private func nonThrowingInt() -> Int {
5    return 1
6}
7
8private func throwingInt() throws -> Int {
9    return 1
10}
11
12final class DSLTest: XCTestCase {
13    func testExpectAutoclosureNonThrowing() throws {
14        let _: Expectation<Int> = expect(1)
15        let _: Expectation<Int> = expect(nonThrowingInt())
16    }
17
18    func testExpectAutoclosureThrowing() throws {
19        let _: Expectation<Int> = expect(try throwingInt())
20    }
21
22    func testExpectClosure() throws {
23        let _: Expectation<Int> = expect { 1 }
24        let _: Expectation<Int> = expect { nonThrowingInt() }
25        let _: Expectation<Int> = expect { try throwingInt() }
26        let _: Expectation<Int> = expect { () -> Int in 1 }
27        let _: Expectation<Int> = expect { () -> Int? in 1 }
28        let _: Expectation<Int> = expect { () -> Int? in nil }
29
30        let _: Expectation<Void> = expect { }
31        let _: Expectation<Void> = expect { () -> Void in }
32
33        let _: Expectation<Void> = expect { return }
34        let _: Expectation<Void> = expect { () -> Void in return }
35
36        let _: Expectation<Void> = expect { return () }
37        let _: Expectation<Void> = expect { () -> Void in return () }
38    }
39}
40
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