add accessor test cases

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors-loose/reassignment/exec.js

@@ -0,0 +1,13 @@
+let counter = 0;
+class Foo {
+  constructor() {
+    this.#privateFieldValue = ++counter;
+  }
+
+  get #privateFieldValue() {
+    return 42;
+  }
+}
+
+expect(() => new Foo).toThrow();
+expect(counter).toBe(1);

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors-loose/reassignment/input.js

@@ -0,0 +1,10 @@
+let counter = 0;
+class Foo {
+  constructor() {
+    this.#privateFieldValue = ++counter;
+  }
+
+  get #privateFieldValue() {
+    return 42;
+  }
+}

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors-loose/reassignment/output.js

@@ -0,0 +1,18 @@
+var counter = 0;
+
+var _privateFieldValue = babelHelpers.classPrivateFieldLooseKey("privateFieldValue");
+
+class Foo {
+  constructor() {
+    Object.defineProperty(this, _privateFieldValue, {
+      get: _get_privateFieldValue,
+      set: void 0
+    });
+    babelHelpers.classPrivateFieldLooseBase(this, _privateFieldValue)[_privateFieldValue] = ++counter;
+  }
+
+}
+
+var _get_privateFieldValue = function () {
+  return 42;
+};

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/reassignment/exec.js

@@ -0,0 +1,13 @@
+let counter = 0;
+class Foo {
+  constructor() {
+    this.#privateFieldValue = ++counter;
+  }
+
+  get #privateFieldValue() {
+    return 42;
+  }
+}
+
+expect(() => new Foo).toThrow();
+expect(counter).toBe(1);

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/reassignment/input.js

@@ -0,0 +1,10 @@
+let counter = 0;
+class Foo {
+  constructor() {
+    this.#privateFieldValue = ++counter;
+  }
+
+  get #privateFieldValue() {
+    return 42;
+  }
+}

packages/babel-plugin-proposal-private-methods/test/fixtures/accessors/reassignment/output.js

@@ -0,0 +1,19 @@
+var counter = 0;
+
+var _privateFieldValue = new WeakMap();
+
+class Foo {
+  constructor() {
+    _privateFieldValue.set(this, {
+      get: _get_privateFieldValue,
+      set: void 0
+    });
+
+    babelHelpers.classPrivateMethodSet(++counter);
+  }
+
+}
+
+var _get_privateFieldValue = function () {
+  return 42;
+};

packages/babel-plugin-proposal-private-methods/test/fixtures/private-method-loose/reassignment/exec.js

@@ -9,8 +9,5 @@ class Foo {
   }
 }
 
-try {
-  new Foo;
-} catch (e) {
-  expect(counter).toBe(1);
-}
+expect(() => new Foo).toThrow();
+expect(counter).toBe(1);

packages/babel-plugin-proposal-private-methods/test/fixtures/private-method/reassignment/exec.js

@@ -9,8 +9,5 @@ class Foo {
   }
 }
 
-try {
-  new Foo;
-} catch (e) {
-  expect(counter).toBe(1);
-}
+expect(() => new Foo).toThrow();
+expect(counter).toBe(1);