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String to Double? conversion fix #910

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String to Double? conversion fix #910

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eeae5ec
Added string test to Doubles and code for .double to handle Strings
Nov 10, 2017
ed97cb0
More Number Tests
Nov 10, 2017
ea5cdae
Added more unit tests for float and int when converting from String. …
Nov 15, 2017
59e414f
fixed some minor spacing.
Nov 15, 2017
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6 changes: 6 additions & 0 deletions Source/SwiftyJSON.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -921,6 +921,12 @@ extension JSON {
public var number: NSNumber? {
get {
switch self.type {
case .string:
let decimal: NSDecimalNumber? = NSDecimalNumber(string: self.object as? String)
if decimal == NSDecimalNumber.notANumber { // indicates parse error
return nil
}
return decimal
case .number:
return self.rawNumber
case .bool:
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17 changes: 15 additions & 2 deletions Tests/SwiftyJSONTests/NumberTests.swift
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Expand Up @@ -33,10 +33,17 @@ class NumberTests: XCTestCase {
XCTAssertEqual(json.stringValue, "9876543210.123457")

json.string = "1000000000000000000000000000.1"
XCTAssertNil(json.number)
XCTAssertEqual(json.number!.description, "1000000000000000000000000000.1" )
XCTAssertEqual(json.number!, 1000000000000000000000000000.1 )
XCTAssertEqual(json.numberValue.description, "1000000000000000000000000000.1")

XCTAssertEqual(json.numberValue, 1000000000000000000000000000.1)

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Trailing Whitespace Violation: Lines should not have trailing whitespace. (trailing_whitespace)

json.string = "swift"
XCTAssertNil(json.number)
XCTAssertEqual(json.numberValue, 0)

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Trailing Whitespace Violation: Lines should not have trailing whitespace. (trailing_whitespace)

json.string = "1e+27"
XCTAssertEqual(json.number!.description, "1000000000000000000000000000")
XCTAssertEqual(json.numberValue.description, "1000000000000000000000000000")

//setter
Expand Down Expand Up @@ -97,6 +104,12 @@ class NumberTests: XCTestCase {
XCTAssertEqual(json.boolValue, false)
XCTAssertEqual(json.doubleValue, 0.0)
XCTAssertEqual(json.numberValue, 0)

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Trailing Whitespace Violation: Lines should not have trailing whitespace. (trailing_whitespace)

json = "9876543210.123456789"
XCTAssertEqual(json.double!, 9876543210.123456789)
XCTAssertEqual(json.doubleValue, 9876543210.123456789)
XCTAssertEqual(json.numberValue, 9876543210.123456789)
XCTAssertEqual(json.stringValue, "9876543210.123456789")
}

func testFloat() {
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