Add TracingTests

Author: Kyle-Ye

Sources/OpenSwiftUICore/Util/Tracing.swift

@@ -34,12 +34,12 @@ enum Tracing {
         } else {
             #if canImport(Darwin)
             var info = Dl_info()
-            guard dladdr(nominalDescriptor, &info) == 0 else {
+            guard dladdr(nominalDescriptor, &info) != 0 else {
                 return unknown
             }
             let name = (String(cString: info.dli_fname) as NSString).lastPathComponent
             moduleLookupCache.value[nominalDescriptor] = name
-            return unknown
+            return name
             #else
             // TODO: [Easy] Add a C layer to import dladdr on non-Darwin Swift platform
             // See https://forums.swift.org/t/dladdr-and-the-clang-importer/26379/11

Tests/OpenSwiftUICoreTests/Util/ThreadUtilsTest.swift renamed to Tests/OpenSwiftUICoreTests/Util/ThreadUtilsTests.swift

@@ -1,18 +1,18 @@
 //
-//  ThreadUtilsTest.swift
+//  ThreadUtilsTests.swift
 //  OpenSwiftUICoreTests
 
 import OpenSwiftUICore
 import Testing
 
-struct ThreadUtilsTest {
+struct ThreadUtilsTests {
     static let defaultValue: Int = 1
     static let box = ThreadSpecific(defaultValue)
 
     @Test
     func value() async throws {
-        let box = ThreadUtilsTest.box
-        #expect(box.value == ThreadUtilsTest.defaultValue)
+        let box = ThreadUtilsTests.box
+        #expect(box.value == ThreadUtilsTests.defaultValue)
         try await withThrowingTaskGroup(of: Int.self) { group in
             group.addTask {
                 await Task.detached {
@@ -30,7 +30,7 @@ struct ThreadUtilsTest {
             }
             let result = try await group.reduce(0, +)
             #expect(result == 7)
-            #expect(box.value == ThreadUtilsTest.defaultValue)
+            #expect(box.value == ThreadUtilsTests.defaultValue)
         }
     }
 }

Tests/OpenSwiftUICoreTests/Util/TracingTests.swift

@@ -0,0 +1,26 @@
+//
+//  TracingTests.swift
+//  OpenSwiftUICoreTests
+
+@testable import OpenSwiftUICore
+import OpenGraphShims
+import Testing
+
+@Suite(.disabled(if: !attributeGraphEnabled, "Not implemented in OG yet"))
+struct TracingTests {
+    struct Demo {}
+    
+    @Test(.disabled(if: !attributeGraphEnabled, "OGTypeDescription is not implemented yet"))
+    func name() {
+        #expect(Tracing.nominalTypeName(Int.self) == "Int")
+        #expect(Tracing.nominalTypeName(String.self) == "String")
+        #expect(Tracing.nominalTypeName(Demo.self) == "TracingTests.Demo")
+    }
+    
+    @Test(.disabled(if: !attributeGraphEnabled, "OGTypeNominalDescriptor is not implemented yet"))
+    func library() async throws {
+        #expect(Tracing.libraryName(defining: Int.self) == "libswiftCore.dylib")
+        #expect(Tracing.libraryName(defining: String.self) == "libswiftCore.dylib")
+        #expect(Tracing.libraryName(defining: Demo.self) == "OpenSwiftUICoreTests")
+    }
+}