Dactyloidae iOS initial commit

mobile/ios/SharedTests/ArrayExtensionTests.swift

@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Foundation
+import Shared
+import XCTest
+
+class ArrayExtensionTests: XCTestCase {
+    override func setUp() {
+        super.setUp()
+    }
+
+    override func tearDown() {
+        super.tearDown()
+    }
+
+    func testUnique() {
+        let a = [1, 2, 3, 4, 5, 6, 1, 2]
+        let result = a.unique { return $0 }
+        XCTAssertEqual(result, [1, 2, 3, 4, 5, 6])
+
+        let b = [1, 2, 3]
+        let resultB = b.unique { return $0 }
+        XCTAssertEqual(resultB, [1, 2, 3])
+    }
+
+    func testUnion() {
+        let a = [1, 2, 3, 4, 5, 6]
+        let b = [7, 8, 9, 10]
+        XCTAssertEqual(a.union(b) { return $0 },
+                       [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        let c = [1, 2, 3, 4, 5, 6]
+        let d = [4, 5, 6, 7, 8, 9, 10]
+        XCTAssertEqual(c.union(d) { return $0 }, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        let e = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        let f = [4, 5, 6, 7, 8, 9, 10]
+        XCTAssertEqual(e.union(f) { return $0 }, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        let g = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        let h = [Int]()
+        XCTAssertEqual(g.union(h) { return $0 }, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        let i = [Int]()
+        let j = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        XCTAssertEqual(i.union(j) { return $0 }, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+    }
+
+    func testSameElements() {
+        let k = [1, 2, 3, 4, 5]
+        let l = [1, 2, 3, 4, 5]
+        let m = [2, 4, 6, 8, 10]
+        let n: [Int]?
+        n = k
+        XCTAssertTrue(k.sameElements(l))
+        XCTAssertFalse(l.sameElements(m))
+        XCTAssertTrue((n?.sameElements(k))!)
+    }
+
+}