Escape NULL terminator in strings with correct glyph

Author: iv-mexx

Sources/Task.swift

@@ -54,7 +54,7 @@ extension String {
 			in: self,
 			range: NSRange(location: 0, length: self.utf16.count),
 			withTemplate: "\\\\$0"
-		)
+		).replacingOccurrences(of: "\0", with: "␀")
 	}
 }
 

Tests/ReactiveTaskTests/StringExtensionSpec.swift

@@ -10,6 +10,10 @@ class StringExtensionSpec: QuickSpec {
 				expect("d\te\tf".escapingWhitespaces).to(equal("d\\\te\\\tf"))
 			}
 
+			it("should escape the NULL terminator with the 'symbol for null' glyph (U+2400)") {
+				expect("abc\0".escapingWhitespaces).to(equal("abc␀"))
+			}
+			
 			it("should not change the original string if it does not contain whitespaces") {
 				expect("ReactiveTask").to(equal("ReactiveTask"))
 			}