From 1faca5ed9f7ac52abcac9b315c1e1f1c6099d133 Mon Sep 17 00:00:00 2001
From: Kenneth Myhra <kennethmyhra@gmail.com>
Date: Thu, 13 Jul 2023 20:01:19 +0200
Subject: [PATCH] Tests/LibWeb: Add TransformStream Identity Transform test

This test proves the ability of TransformStream to convert between
writable and readable streams.
---
 .../TransformStream-identity-transform.txt    |  5 +++++
 .../TransformStream-identity-transform.html   | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 Tests/LibWeb/Text/expected/Streams/TransformStream-identity-transform.txt
 create mode 100644 Tests/LibWeb/Text/input/Streams/TransformStream-identity-transform.html

diff --git a/Tests/LibWeb/Text/expected/Streams/TransformStream-identity-transform.txt b/Tests/LibWeb/Text/expected/Streams/TransformStream-identity-transform.txt
new file mode 100644
index 0000000000..0d32218fd6
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/Streams/TransformStream-identity-transform.txt
@@ -0,0 +1,5 @@
+Done: false
+62,63,64,65,66,67,68,69
+Done: false
+42,43,42,43,44,45,46,47
+Done: true
diff --git a/Tests/LibWeb/Text/input/Streams/TransformStream-identity-transform.html b/Tests/LibWeb/Text/input/Streams/TransformStream-identity-transform.html
new file mode 100644
index 0000000000..ed777b9200
--- /dev/null
+++ b/Tests/LibWeb/Text/input/Streams/TransformStream-identity-transform.html
@@ -0,0 +1,19 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        const {writable, readable} = new TransformStream();
+        const writer = writable.getWriter();
+        writer.write(new Uint8Array([0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45]));
+        writer.write(new Uint8Array([0x2A, 0x2B, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F]));
+        writer.close();
+        const reader = readable.getReader();
+        reader.read().then(function processText({done, value}) {
+            println(`Done: ${done}`);
+            if (done)
+                return;
+
+            println(value);
+            reader.read().then(processText);
+        });
+    });
+</script>