From a5977e3f45ce8333b7b39540a6d4023f894b3103 Mon Sep 17 00:00:00 2001
From: Vladimir Mandic <mandic00@live.com>
Date: Mon, 20 Sep 2021 22:06:49 -0400
Subject: [PATCH] automated browser tests

---
 CHANGELOG.md       | 7 ++++++-
 src/env.ts         | 2 +-
 src/image/image.ts | 6 +++---
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6d3a256..fd65f61c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,13 @@
   
 ## Changelog
   
-### **HEAD -> main** 2021/09/19 mandic00@live.com
+### **HEAD -> main** 2021/09/20 mandic00@live.com
 
+- initial automated browser tests
+
+### **origin/main** 2021/09/20 mandic00@live.com
+
+- more automated tests
 - added configuration validation
 - prevent validation failed on some model combinations
 - webgl exception handling
diff --git a/src/env.ts b/src/env.ts
index effb677f..3b387caa 100644
--- a/src/env.ts
+++ b/src/env.ts
@@ -132,7 +132,7 @@ export async function get() {
   env.tfjs.version = tf.version_core;
 
   // offscreencanvas supported?
-  env.offscreen = typeof env.offscreen === 'undefined' ? typeof OffscreenCanvas !== undefined : env.offscreen;
+  env.offscreen = typeof env.offscreen === 'undefined' ? typeof OffscreenCanvas !== 'undefined' : env.offscreen;
   // get platform and agent
   if (typeof navigator !== 'undefined') {
     const raw = navigator.userAgent.match(/\(([^()]+)\)/g);
diff --git a/src/image/image.ts b/src/image/image.ts
index 9c0b9fa0..8478e192 100644
--- a/src/image/image.ts
+++ b/src/image/image.ts
@@ -63,9 +63,9 @@ export function process(input: Input, config: Config): { tensor: Tensor | null,
   }
   if (input instanceof tf.Tensor) {
     // if input is tensor, use as-is
-    if (input.isDisposed) throw new Error('input tensor is disposed');
-    if ((input as unknown as Tensor).shape && (input as unknown as Tensor).shape.length === 4 && (input as unknown as Tensor).shape[0] === 1 && (input as unknown as Tensor).shape[3] === 3) tensor = tf.clone(input);
-    else throw new Error(`input tensor shape must be [1, height, width, 3] and instead was ${(input as unknown as Tensor).shape}`);
+    if ((input as Tensor)['isDisposedInternal']) throw new Error('input tensor is disposed');
+    if ((input as Tensor).shape && (input as Tensor).shape.length === 4 && (input as unknown as Tensor).shape[0] === 1 && (input as unknown as Tensor).shape[3] === 3) tensor = tf.clone(input);
+    else throw new Error(`input tensor shape must be [1, height, width, 3] and instead was ${(input as Tensor).shape}`);
   } else {
     // check if resizing will be needed
     if (typeof input['readyState'] !== 'undefined' && input['readyState'] <= 2) {