From af2532e1bb424cd2da7af4ac31c809d560f02350 Mon Sep 17 00:00:00 2001
From: Clemens Wagner <macmoonshine@gmx.de>
Date: Sun, 12 Nov 2023 11:55:18 +0100
Subject: [PATCH] Fixes for version 0,1.0

---
 Package.swift                      |  2 +-
 README.md                          |  2 +-
 Sources/sqids/Sqids.swift          |  6 +---
 Tests/sqidsTests/EncodeTests.swift | 58 ++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/Package.swift b/Package.swift
index 7f9f250..16535e8 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.9
+// swift-tools-version: 5.7
 /*
  MIT License
  
diff --git a/README.md b/README.md
index 9f2be04..ae4103f 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Add the following dependency to your Swift `Package.swift`:
 
 ```swift
 dependencies.append(
-    .package(url: "https://github.com/squids/squitss-swift.git", from: "1.0.0")
+    .package(url: "https://github.com/squids/squids-swift.git", from: "0.1.0")
 )
 ```
 
diff --git a/Sources/sqids/Sqids.swift b/Sources/sqids/Sqids.swift
index 4e6f9ee..0064970 100644
--- a/Sources/sqids/Sqids.swift
+++ b/Sources/sqids/Sqids.swift
@@ -32,7 +32,6 @@ public struct Sqids {
         case invalidMinLength(Int)
         case valueError(Id)
         case maximumAttemptsReached
-        case invalidId
     }
     public static let defaultAlphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
     public static let minAlphabetLength = 3
@@ -147,10 +146,7 @@ public struct Sqids {
         if !id.isEmpty {
             let characterSet = CharacterSet(alphabet.flatMap({ $0.unicodeScalars }))
             
-            if !id.unicodeScalars.reduce(true, { $0 && characterSet.contains($1) }) {
-                throw Error.invalidId
-            }
-            else {
+            if id.unicodeScalars.reduce(true, { $0 && characterSet.contains($1) }) {
                 let offset = alphabet.firstIndex(of: id.first!)!
                 var alphabet = splitReverse(offset: offset)
                 var value = String(Array(id).suffix(from: 1))
diff --git a/Tests/sqidsTests/EncodeTests.swift b/Tests/sqidsTests/EncodeTests.swift
index cc0c6e1..8e5050e 100644
--- a/Tests/sqidsTests/EncodeTests.swift
+++ b/Tests/sqidsTests/EncodeTests.swift
@@ -66,4 +66,62 @@ final class EncodeTests: XCTestCase {
             XCTAssertEqual(try sqids.decode(id), numbers)
         }
     }
+    
+    func testIncrementalNumbersSameIndex1() throws {
+        let sqids = Sqids()
+        let ids: [String: Sqids.Ids] = [
+            "SvIz": [0, 0],
+            "nWqP": [1, 0],
+            "tSyw": [2, 0],
+            "eX68": [3, 0],
+            "rxCY": [4, 0],
+            "sV8a": [5, 0],
+            "uf2K": [6, 0],
+            "7Cdk": [7, 0],
+            "3aWP": [8, 0],
+            "m2xn": [9, 0],
+        ]
+        for (id, numbers) in ids {
+            XCTAssertEqual(try sqids.encode(numbers), id)
+            XCTAssertEqual(try sqids.decode(id), numbers)
+        }
+    }
+    
+    func testMultiInput() throws {
+        let sqids = Sqids()
+        let numbers: Sqids.Ids = Array(1..<100)
+        let output = try sqids.decode(try sqids.encode(numbers))
+        
+        XCTAssertEqual(numbers, output)
+    }
+    
+    func testEncodingNoNumbers() throws {
+        let sqids = Sqids()
+        
+        XCTAssertEqual(try sqids.encode([]), "")
+    }
+    
+    func testDecodingEmptyString() throws {
+        let sqids = Sqids()
+        
+        XCTAssertEqual(try sqids.decode(""), [])
+    }
+    
+    func testDecodingInvalidCharacter() throws {
+        let sqids = Sqids()
+        
+        XCTAssertEqual(try sqids.decode("*"), [])
+    }
+    
+    func testEncodeOutOfRangeNumbers() throws {
+        let sqids = Sqids()
+        
+        do {
+            _ = try sqids.encode([-1])
+            XCTFail()
+        }
+        catch Sqids.Error.valueError(let id) {
+            XCTAssertEqual(-1, id)
+        }
+    }
 }