Gardening tests (#133)

* Update package-lock.json

* Ensure that setting nested prop works

* Fix example Makefile

* Note that fatal error outputs are expected

* npm audit fix

* Add failing tests for TODO

* Add utility assert function for closure crash

Example/Makefile

@@ -7,7 +7,7 @@ JavaScriptKitExample:
 
 dist/JavaScriptKitExample.wasm: JavaScriptKitExample
 	mkdir -p dist
-	cp ./JavaScriptKitExample/.build/debug/JavaScriptKitExample $@
+	cp ./JavaScriptKitExample/.build/debug/JavaScriptKitExample.wasm $@
 
 node_modules:
 	npm ci

IntegrationTests/TestSuites/Sources/PrimaryTests/main.swift

@@ -186,6 +186,12 @@ try test("Function Call") {
 let evalClosure = JSObject.global.globalObject1.eval_closure.function!
 
 try test("Closure Lifetime") {
+    func expectCrashByCall(ofClosure c: JSClosureProtocol) throws {
+        print("======= BEGIN OF EXPECTED FATAL ERROR =====")
+        _ = try expectThrow(try evalClosure.throws(c))
+        print("======= END OF EXPECTED FATAL ERROR =======")
+    }
+
     do {
         let c1 = JSClosure { arguments in
             return arguments[0]
@@ -200,7 +206,7 @@ try test("Closure Lifetime") {
         }
         c1.release()
         // Call a released closure
-        _ = try expectThrow(try evalClosure.throws(c1))
+        try expectCrashByCall(ofClosure: c1)
     }
 
     do {
@@ -209,7 +215,7 @@ try test("Closure Lifetime") {
             _ = JSClosure { _ in .undefined }
             return .undefined
         }
-        _ = try expectThrow(try evalClosure.throws(c1))
+        try expectCrashByCall(ofClosure: c1)
         c1.release()
     }
 
@@ -219,7 +225,7 @@ try test("Closure Lifetime") {
         }
         try expectEqual(evalClosure(c1), .boolean(true))
         // second call will cause `fatalError` that can be caught as a JavaScript exception
-        _ = try expectThrow(try evalClosure.throws(c1))
+        try expectCrashByCall(ofClosure: c1)
         // OneshotClosure won't call fatalError even if it's deallocated before `release`
     }
 }
@@ -617,12 +623,25 @@ try test("Error") {
 }
 
 try test("JSValue accessor") {
-    let globalObject1 = JSObject.global.globalObject1
+    var globalObject1 = JSObject.global.globalObject1
     try expectEqual(globalObject1.prop_1.nested_prop, .number(1))
     try expectEqual(globalObject1.object!.prop_1.object!.nested_prop, .number(1))
 
     try expectEqual(globalObject1.prop_4[0], .number(3))
     try expectEqual(globalObject1.prop_4[1], .number(4))
+
+    globalObject1.prop_1.nested_prop = "bar"
+    try expectEqual(globalObject1.prop_1.nested_prop, .string("bar"))
+
+    /* TODO: Fix https://github.com/swiftwasm/JavaScriptKit/issues/132 and un-comment this test
+    `nested` should not be set again to `target.nested` by `target.nested.prop = .number(1)`
+
+    let observableObj = globalObject1.observable_obj.object!
+    observableObj.set_called = .boolean(false)
+    observableObj.target.nested.prop = .number(1)
+    try expectEqual(observableObj.set_called, .boolean(false))
+
+    */
 }
 
 try test("Exception") {

IntegrationTests/bin/primary-tests.js

@@ -47,9 +47,21 @@ global.globalObject1 = {
             throw 3.0
         },
     },
-    eval_closure: function(fn) {
+    eval_closure: function (fn) {
         return fn(arguments[1])
-    }
+    },
+    observable_obj: {
+        set_called: false,
+        target: new Proxy({
+            nested: {}
+        }, {
+            set(target, key, value) {
+                global.globalObject1.observable_obj.set_called = true;
+                target[key] = value;
+                return true;
+            }
+        })
+    },
 };
 
 global.Animal = function (name, age, isCat) {