add test for variable map

UrbanCompass · Sep 4, 2018 · 2d2b156 · 2d2b156
1 parent 5090069
commit 2d2b156
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/SnailTests/VariableTests.swift b/SnailTests/VariableTests.swift
@@ -78,6 +78,19 @@ class VariableTests: XCTestCase {
         XCTAssertTrue(firedCount == 1)
     }
 
+    func testVariableFireCounts() {
+        let subject = Variable("one")
+        var firedCount = 0
+
+        subject.map { $0.count }.asObservable().subscribe(onNext: { _ in
+            firedCount += 1
+        })
+
+        subject.value = "two"
+
+        XCTAssertTrue(firedCount == 2)
+    }
+
     func testMapToVoid() {
         let subject = Variable("initial")
         var fired = false