From 6ec79a31c3c19512c026f1aefd6d876437c12652 Mon Sep 17 00:00:00 2001
From: Matthijs van Duin <matthijsvanduin@gmail.com>
Date: Wed, 28 Jun 2017 11:56:40 +0200
Subject: [PATCH] add tests for weak.is*()

---
 test/is.js | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 test/is.js

diff --git a/test/is.js b/test/is.js
new file mode 100644
index 0000000..bc51d51
--- /dev/null
+++ b/test/is.js
@@ -0,0 +1,72 @@
+var assert = require('assert');
+var weak = require('../');
+
+describe('weak.isWeakRef()', function () {
+
+  afterEach(gc);
+
+  it('should be true for a `WeakRef` instance', function () {
+    var r = weak({});
+    assert(weak.isWeakRef(r));
+  });
+
+  it('should be false for a normal object', function () {
+    var obj = {};
+    assert(!weak.isWeakRef(obj));
+  });
+
+});
+
+describe('weak.isDead()', function () {
+
+  afterEach(gc);
+
+  it('should be false before the target is gc\'d', function () {
+    var obj = {};
+    var r = weak(obj);
+    assert(!weak.isDead(r));
+  });
+
+  it('should be false inside garbage collection callback', function () {
+    var result;
+    var r = weak({}, function () {
+      result = !weak.isDead(r);
+    });
+    gc();
+    assert(result);
+  });
+
+  it('should be true after the target is gc\'d', function () {
+    var r = weak({});
+    gc();
+    assert(weak.isDead(r));
+  });
+
+});
+
+describe('weak.isNearDeath()', function () {
+
+  afterEach(gc);
+
+  it('should be false before the target is gc\'d', function () {
+    var obj = {};
+    var r = weak(obj);
+    assert(!weak.isNearDeath(r));
+  });
+
+  it('should be true inside garbage collection callback', function () {
+    var result;
+    var r = weak({}, function () {
+      result = weak.isNearDeath(r);
+    });
+    gc();
+    assert(result);
+  });
+
+  it('should be false after the target is gc\'d', function () {
+    var r = weak({});
+    gc();
+    assert(!weak.isNearDeath(r));
+  });
+
+});