Add ViewGeometryDualTest case (#728)

Author: Kyle-Ye

Sources/OpenSwiftUISymbolDualTestsSupport/Layout/View/ViewGeometryTestsStub.c

@@ -0,0 +1,14 @@
+//
+//  ViewGeometryTestsStub.c
+//  OpenSwiftUISymbolDualTestsSupport
+
+#include "OpenSwiftUIBase.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+
+#import <SymbolLocator.h>
+
+DEFINE_SL_STUB_SLF(OpenSwiftUITestStub_ViewGeometryIsInvalid, SwiftUI, $s7SwiftUI12ViewGeometryV9isInvalidSbvg);
+
+#endif
+

Tests/OpenSwiftUISymbolDualTests/Layout/View/ViewGeometryDualTests.swift

@@ -0,0 +1,33 @@
+//
+//  ViewGeometryDualTests.swift
+//  OpenSwiftUISymbolDualTests
+
+#if canImport(SwiftUI, _underlyingVersion: 6.5.4)
+import Foundation
+import OpenSwiftUICore
+import Testing
+
+extension ViewGeometry {
+    var swiftUI_isInvalid: Bool {
+        @_silgen_name("OpenSwiftUITestStub_ViewGeometryIsInvalid")
+        get
+    }
+}
+
+struct ViewGeometryDualTests {
+    @Test(arguments: [
+        (CGFloat.nan, true),
+        (CGFloat.infinity, false),
+        (-CGFloat.infinity, false),
+        (3.0, false),
+    ] as [(CGFloat, Bool)])
+    func isInvalid(originX: CGFloat, expected: Bool) {
+        let origin = ViewOrigin(x: originX, y: 0)
+        let geometry = ViewGeometry(origin: origin, dimensions: .zero)
+        #expect(geometry.isInvalid == expected)
+        #expect(geometry.swiftUI_isInvalid == expected)
+    }
+}
+
+#endif
+