Merge pull request #15 from ra1028/v0.5.2

V0.5.2

Author: ra1028

DifferenceKit.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name = 'DifferenceKit'
-  spec.version  = '0.5.1'
+  spec.version  = '0.5.2'
   spec.author = { 'ra1028' => '[email protected]' }
   spec.homepage = 'https://github.com/ra1028/DifferenceKit'
   spec.documentation_url = 'https://ra1028.github.io/DifferenceKit'

Sources/Algorithm.swift

@@ -599,8 +599,7 @@ private struct TableKey<T: Hashable>: Hashable {
 
     static func == (lhs: TableKey, rhs: TableKey) -> Bool {
         return lhs.hashValue == rhs.hashValue
-            || lhs.pointer.distance(to: rhs.pointer) == 0
-            || lhs.pointer.pointee == rhs.pointer.pointee
+            && (lhs.pointer.distance(to: rhs.pointer) == 0 || lhs.pointer.pointee == rhs.pointer.pointee)
     }
 }
 

Tests/AlgorithmTest.swift

@@ -235,6 +235,42 @@ extension AlgorithmTestCase {
             ]
         )
     }
+
+    func testSameHashValue() {
+        struct A: Hashable, Differentiable {
+            let hashValue = 0
+            let actualValue: Int
+
+            init(_ actualValue: Int) {
+                self.actualValue = actualValue
+            }
+
+            func isContentEqual(to source: A) -> Bool {
+                return actualValue == source.actualValue
+            }
+        }
+
+        let section = 0
+
+        let source = [A(0), A(1)]
+        let target = [A(0), A(2)]
+
+        XCTAssertExactDifferences(
+            source: source,
+            target: target,
+            section: section,
+            expected: [
+                Changeset(
+                    data: [A(0)],
+                    elementDeleted: [ElementPath(element: 1, section: section)]
+                ),
+                Changeset(
+                    data: target,
+                    elementInserted: [ElementPath(element: 1, section: section)]
+                )
+            ]
+        )
+    }
 }
 
 /// Test algorithm for sectioned collection.