[bun.js] Add `ShadowRealm`

4 files changed, 41 insertions, 17 deletions

diff --git a/integration/bunjs-only-snippets/fetch.js b/integration/bunjs-only-snippets/fetch.js
deleted file mode 100644
index bb4345659..000000000
--- a/integration/bunjs-only-snippets/fetch.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import fs from "fs";
-
-const urls = ["https://example.com", "http://example.com"];
-for (let url of urls) {
-  const response = await fetch(url);
-  const text = await response.text();
-
-  if (
-    fs.readFileSync(
-      import.meta.path.substring(0, import.meta.path.lastIndexOf("/")) +
-        "/fetch.js.txt",
-      "utf8"
-    ) !== text
-  ) {
-    throw new Error("Expected fetch.js.txt to match snapshot");
-  }
-}
diff --git a/integration/bunjs-only-snippets/fetch.test.js b/integration/bunjs-only-snippets/fetch.test.js
new file mode 100644
index 000000000..72b80cd35
--- /dev/null
+++ b/integration/bunjs-only-snippets/fetch.test.js
@@ -0,0 +1,22 @@
+import { it, describe } from "bun:test";
+import fs from "fs";
+
+describe("fetch", () => {
+  const urls = ["https://example.com", "http://example.com"];
+  for (let url of urls) {
+    it(url, async () => {
+      const response = await fetch(url);
+      const text = await response.text();
+
+      if (
+        fs.readFileSync(
+          import.meta.path.substring(0, import.meta.path.lastIndexOf("/")) +
+            "/fetch.js.txt",
+          "utf8"
+        ) !== text
+      ) {
+        throw new Error("Expected fetch.js.txt to match snapshot");
+      }
+    });
+  }
+});
diff --git a/integration/bunjs-only-snippets/shadow.test.js b/integration/bunjs-only-snippets/shadow.test.js
new file mode 100644
index 000000000..3fffcac90
--- /dev/null
+++ b/integration/bunjs-only-snippets/shadow.test.js
@@ -0,0 +1,10 @@
+import { describe, it, expect } from "bun:test";
+
+it("shadow realm works", () => {
+  const red = new ShadowRealm();
+  globalThis.someValue = 1;
+  // Affects only the ShadowRealm's global
+  const result = red.evaluate("globalThis.someValue = 2;");
+  expect(globalThis.someValue).toBe(1);
+  expect(result).toBe(2);
+});
diff --git a/integration/bunjs-only-snippets/text-encoder.test.js b/integration/bunjs-only-snippets/text-encoder.test.js
index 3b0c1f971..e4bf35059 100644
--- a/integration/bunjs-only-snippets/text-encoder.test.js
+++ b/integration/bunjs-only-snippets/text-encoder.test.js
@@ -69,6 +69,15 @@ describe("TextEncoder", () => {
     }
   });
 
+  it("should encode long latin1 text", () => {
+    const text = "Hello World!".repeat(1000);
+    const encoder = new TextEncoder();
+    const encoded = encoder.encode(text);
+    expect(encoded instanceof Uint8Array).toBe(true);
+    expect(encoded.length).toBe(text.length);
+    expect(new TextDecoder().decode(encoded)).toBe(text);
+  });
+
   it("should encode latin1 rope text", () => {
     var text = "Hello";
     text += " ";