From 5054817cc51ec242e8cb46779169cff8818c8904 Mon Sep 17 00:00:00 2001
From: Yuta Koshizawa <koher@koherent.org>
Date: Wed, 18 Oct 2017 17:56:55 +0900
Subject: [PATCH] Update `description` for unfulfilled `Promise`

---
 Sources/PromiseK/Promise.swift          | 2 +-
 Tests/PromiseKTests/PromiseKTests.swift | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Sources/PromiseK/Promise.swift b/Sources/PromiseK/Promise.swift
index aceda50..28235b4 100644
--- a/Sources/PromiseK/Promise.swift
+++ b/Sources/PromiseK/Promise.swift
@@ -53,7 +53,7 @@ extension Promise : CustomStringConvertible {
         if let value = self.value {
             return "Promise(\(value))"
         } else {
-            return "Promise"
+            return "Promise(\(Value.self))"
         }
     }
 }
diff --git a/Tests/PromiseKTests/PromiseKTests.swift b/Tests/PromiseKTests/PromiseKTests.swift
index d220244..3b98c40 100644
--- a/Tests/PromiseKTests/PromiseKTests.swift
+++ b/Tests/PromiseKTests/PromiseKTests.swift
@@ -49,6 +49,11 @@ class PromiseKTests: XCTestCase {
         XCTAssertEqual(obtained, .some(42))
     }
     
+    func testDescription() {
+        XCTAssertEqual(Promise(42).description, "Promise(42)")
+        XCTAssertEqual(Promise<Int> { _ in }.description, "Promise(Int)")
+    }
+    
     func testFailableMap() {
         do {
             let squared = asyncGetOrFail(3, false).map {