From 416964b0800df4ff59fd137331d4048d081cb716 Mon Sep 17 00:00:00 2001
From: Kyle <kyle201817146@gmail.com>
Date: Sun, 20 Jul 2025 02:32:16 +0800
Subject: [PATCH] [Bugfix] Fix NextUpdate.interval issue

---
 .../View/Graph/ViewGraph.swift                |  7 +++++--
 .../View/Graph/ViewGraphTests.swift           | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 Tests/OpenSwiftUICoreTests/View/Graph/ViewGraphTests.swift

diff --git a/Sources/OpenSwiftUICore/View/Graph/ViewGraph.swift b/Sources/OpenSwiftUICore/View/Graph/ViewGraph.swift
index 0e2cb7bab..fb55692b3 100644
--- a/Sources/OpenSwiftUICore/View/Graph/ViewGraph.swift
+++ b/Sources/OpenSwiftUICore/View/Graph/ViewGraph.swift
@@ -94,12 +94,15 @@ package final class ViewGraph: GraphHost {
     
     package struct NextUpdate {
         package private(set) var time: Time = .infinity
+
         private var _interval: Double = .infinity
+
         package var interval: Double {
-            _interval.isFinite ? .zero : _interval
+            _interval.isFinite ? _interval : .zero
         }
+
         package private(set) var reasons: Set<UInt32> = []
-        
+
         package mutating func at(_ next: Time) {
             time = next < time ? next : time
         }
diff --git a/Tests/OpenSwiftUICoreTests/View/Graph/ViewGraphTests.swift b/Tests/OpenSwiftUICoreTests/View/Graph/ViewGraphTests.swift
new file mode 100644
index 000000000..3853cdc68
--- /dev/null
+++ b/Tests/OpenSwiftUICoreTests/View/Graph/ViewGraphTests.swift
@@ -0,0 +1,19 @@
+//
+//  ViewGraphTests.swift
+//  OpenSwiftUICoreTests
+
+@testable import OpenSwiftUICore
+import OpenSwiftUI_SPI
+import Testing
+
+struct ViewGraphTests {
+    struct NextUpdateTests {
+        typealias Update = ViewGraph.NextUpdate
+
+        @Test
+        func interval() {
+            let update = Update()
+            #expect(update.interval == .zero)
+        }
+    }
+}