0.10.6

Tests/MessageReplySwipeTests.swift

@@ -0,0 +1,55 @@
+import CoreGraphics
+import XCTest
+@testable import Luma
+
+final class MessageReplySwipeTests: XCTestCase {
+    func testHorizontalSwipeInEitherDirectionReplies() {
+        XCTAssertTrue(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: 70, height: 8),
+            predictedEndTranslation: CGSize(width: 72, height: 9)
+        ))
+        XCTAssertTrue(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: -70, height: 8),
+            predictedEndTranslation: CGSize(width: -72, height: 9)
+        ))
+    }
+
+    func testVerticalTimelineScrollDoesNotReply() {
+        XCTAssertFalse(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: 42, height: 80),
+            predictedEndTranslation: CGSize(width: 50, height: 105)
+        ))
+    }
+
+    func testDiagonalTimelineScrollDoesNotReply() {
+        XCTAssertFalse(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: 54, height: 44),
+            predictedEndTranslation: CGSize(width: 76, height: 58)
+        ))
+        XCTAssertEqual(
+            MessageReplySwipePolicy.offset(for: CGSize(width: 54, height: 44)),
+            0
+        )
+    }
+
+    func testShortSwipeDoesNotReply() {
+        XCTAssertFalse(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: 36, height: 4),
+            predictedEndTranslation: CGSize(width: 48, height: 5)
+        ))
+    }
+
+    func testFastHorizontalFlickUsesPredictedEnd() {
+        XCTAssertTrue(MessageReplySwipePolicy.shouldReply(
+            translation: CGSize(width: -35, height: 3),
+            predictedEndTranslation: CGSize(width: -90, height: 7)
+        ))
+    }
+
+    func testVisualOffsetIsCapped() {
+        XCTAssertEqual(
+            MessageReplySwipePolicy.offset(for: CGSize(width: 500, height: 0)),
+            MessageReplySwipePolicy.maximumOffset
+        )
+    }
+}