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fix Int32 random method generation with passed range into it #27

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fix Int32 random method generation with passed range into it #27

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026db91
fix Int32 random method generation with passed range into it
azakordonets Jan 5, 2018
878cd21
add swift version check for Int32.random extention method
azakordonets Jan 8, 2018
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6 changes: 5 additions & 1 deletion SwiftRandom/Randoms.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,11 @@ public extension Int {
public extension Int32 {
/// SwiftRandom extension
public static func random(_ range: Range<Int>) -> Int32 {
return random(range.upperBound, range.lowerBound)
#if swift(>=3)
return random(range.lowerBound, range.upperBound)
#else
return random(range.lowerBound, range.upperBound - 1)
#endif
}

/// SwiftRandom extension
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13 changes: 12 additions & 1 deletion SwiftRandomTests/SwiftRandomTests.swift
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Expand Up @@ -33,6 +33,7 @@ class SwiftRandomTests: XCTestCase {
/// Tests for extensions applied directly above Swift types.
func testTypeExtensions() {
XCTAssertNotNil(Int.random())
XCTAssertNotNil(Int32.random())
XCTAssertNotNil(Date.random())
XCTAssertNotNil(Date.randomWithinDaysBeforeToday(7))
XCTAssertNotNil(CGFloat.random())
Expand Down Expand Up @@ -66,7 +67,17 @@ class SwiftRandomTests: XCTestCase {
XCTAssertLessThan(randomLessTen, 10)
}
}


func testRandomInt32Range() {
for _ in 0...10 {

let randomLessTen = Int32.random(0..<10)

XCTAssertGreaterThanOrEqual(randomLessTen, Int32(0))
XCTAssertLessThan(randomLessTen, Int32(10))
}
}

/// Tests generating random a `String` of a specified length.
func testRandomStringOfLength() {
let precision = 100
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