19 files changed, 154 insertions, 0 deletions
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 90dc5a4a8..66a83a655 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -2421,6 +2421,28 @@ itest!(wasm_unreachable {
   exit_code: 1,
 });
 
+itest!(top_level_await_order {
+  args: "run --allow-read top_level_await_order.js",
+  output: "top_level_await_order.out",
+});
+
+itest!(top_level_await_loop {
+  args: "run --allow-read top_level_await_loop.js",
+  output: "top_level_await_loop.out",
+});
+
+itest!(top_level_await_circular {
+  args: "run --allow-read top_level_await_circular.js",
+  output: "top_level_await_circular.out",
+  exit_code: 1,
+});
+
+itest!(top_level_await_unresolved {
+  args: "run top_level_await_unresolved.js",
+  output: "top_level_await_unresolved.out",
+  exit_code: 1,
+});
+
 itest!(top_level_await {
   args: "run --allow-read top_level_await.js",
   output: "top_level_await.out",
diff --git a/cli/tests/tla/a.js b/cli/tests/tla/a.js
new file mode 100644
index 000000000..c3ef3f7db
--- /dev/null
+++ b/cli/tests/tla/a.js
@@ -0,0 +1,3 @@
+import order from "./order.js";
+
+order.push("b");
diff --git a/cli/tests/tla/b.js b/cli/tests/tla/b.js
new file mode 100644
index 000000000..3271c92d8
--- /dev/null
+++ b/cli/tests/tla/b.js
@@ -0,0 +1,7 @@
+import order from "./order.js";
+
+await new Promise((resolve) => {
+  setTimeout(resolve, 200);
+});
+
+order.push("a");
diff --git a/cli/tests/tla/c.js b/cli/tests/tla/c.js
new file mode 100644
index 000000000..806eb0a8b
--- /dev/null
+++ b/cli/tests/tla/c.js
@@ -0,0 +1,3 @@
+import order from "./order.js";
+
+order.push("c");
diff --git a/cli/tests/tla/d.js b/cli/tests/tla/d.js
new file mode 100644
index 000000000..2b5fd3c45
--- /dev/null
+++ b/cli/tests/tla/d.js
@@ -0,0 +1,6 @@
+import order from "./order.js";
+
+const end = Date.now() + 500;
+while (end < Date.now()) {}
+
+order.push("d");
diff --git a/cli/tests/tla/order.js b/cli/tests/tla/order.js
new file mode 100644
index 000000000..f213a562c
--- /dev/null
+++ b/cli/tests/tla/order.js
@@ -0,0 +1 @@
+export default ["order"];
diff --git a/cli/tests/tla/parent.js b/cli/tests/tla/parent.js
new file mode 100644
index 000000000..1ecc15463
--- /dev/null
+++ b/cli/tests/tla/parent.js
@@ -0,0 +1,9 @@
+import order from "./order.js";
+import "./a.js";
+import "./b.js";
+import "./c.js";
+import "./d.js";
+
+order.push("parent");
+
+export default order;
diff --git a/cli/tests/tla2/a.js b/cli/tests/tla2/a.js
new file mode 100644
index 000000000..d07bcb94d
--- /dev/null
+++ b/cli/tests/tla2/a.js
@@ -0,0 +1,5 @@
+export default class Foo {
+  constructor(message) {
+    this.message = message;
+  }
+}
diff --git a/cli/tests/tla2/b.js b/cli/tests/tla2/b.js
new file mode 100644
index 000000000..68e357c1e
--- /dev/null
+++ b/cli/tests/tla2/b.js
@@ -0,0 +1,5 @@
+export default class Bar {
+  constructor(message) {
+    this.message = message;
+  }
+}
diff --git a/cli/tests/tla3/b.js b/cli/tests/tla3/b.js
new file mode 100644
index 000000000..b74c659e4
--- /dev/null
+++ b/cli/tests/tla3/b.js
@@ -0,0 +1,7 @@
+import { foo } from "./timeout_loop.js";
+import { collection } from "../top_level_await_circular.js";
+
+console.log("collection in b", collection);
+console.log("foo in b", foo);
+
+export const a = "a";
diff --git a/cli/tests/tla3/timeout_loop.js b/cli/tests/tla3/timeout_loop.js
new file mode 100644
index 000000000..860e6cd2a
--- /dev/null
+++ b/cli/tests/tla3/timeout_loop.js
@@ -0,0 +1,23 @@
+export const foo = "foo";
+
+export function delay(ms) {
+  return new Promise((res) =>
+    setTimeout(() => {
+      res();
+    }, ms)
+  );
+}
+
+let i = 0;
+
+async function timeoutLoop() {
+  await delay(1000);
+  console.log("timeout loop", i);
+  i++;
+  if (i > 5) {
+    return;
+  }
+  timeoutLoop();
+}
+
+timeoutLoop();
diff --git a/cli/tests/top_level_await_circular.js b/cli/tests/top_level_await_circular.js
new file mode 100644
index 000000000..ff2964b6a
--- /dev/null
+++ b/cli/tests/top_level_await_circular.js
@@ -0,0 +1,8 @@
+import { foo } from "./tla3/timeout_loop.js";
+
+export const collection = [];
+
+const mod = await import("./tla3/b.js");
+
+console.log("foo in main", foo);
+console.log("mod", mod);
diff --git a/cli/tests/top_level_await_circular.out b/cli/tests/top_level_await_circular.out
new file mode 100644
index 000000000..d47564441
--- /dev/null
+++ b/cli/tests/top_level_await_circular.out
@@ -0,0 +1,7 @@
+timeout loop 0
+timeout loop 1
+timeout loop 2
+timeout loop 3
+timeout loop 4
+timeout loop 5
+error: Dynamically imported module evaluation is still pending but there are no pending ops. This situation is often caused by unresolved promise.
diff --git a/cli/tests/top_level_await_loop.js b/cli/tests/top_level_await_loop.js
new file mode 100644
index 000000000..384f8d0ed
--- /dev/null
+++ b/cli/tests/top_level_await_loop.js
@@ -0,0 +1,18 @@
+const importsDir = Deno.readDirSync(Deno.realPathSync("./tla2"));
+
+const resolvedPaths = [];
+
+for (const { name } of importsDir) {
+  const filePath = Deno.realPathSync(`./tla2/${name}`);
+  resolvedPaths.push(filePath);
+}
+
+resolvedPaths.sort();
+
+for (const filePath of resolvedPaths) {
+  console.log("loading", filePath);
+  const mod = await import(`file://${filePath}`);
+  console.log("loaded", mod);
+}
+
+console.log("all loaded");
diff --git a/cli/tests/top_level_await_loop.out b/cli/tests/top_level_await_loop.out
new file mode 100644
index 000000000..d704e3afd
--- /dev/null
+++ b/cli/tests/top_level_await_loop.out
@@ -0,0 +1,5 @@
+loading [WILDCARD]a.js
+loaded Module { default: [Function: Foo], [Symbol(Symbol.toStringTag)]: "Module" }
+loading [WILDCARD]b.js
+loaded Module { default: [Function: Bar], [Symbol(Symbol.toStringTag)]: "Module" }
+all loaded
diff --git a/cli/tests/top_level_await_order.js b/cli/tests/top_level_await_order.js
new file mode 100644
index 000000000..30659cdfb
--- /dev/null
+++ b/cli/tests/top_level_await_order.js
@@ -0,0 +1,21 @@
+// Ported from Node
+// https://github.com/nodejs/node/blob/54746bb763ebea0dc7e99d88ff4b379bcd680964/test/es-module/test-esm-tla.mjs
+
+const { default: order } = await import("./tla/parent.js");
+
+console.log("order", JSON.stringify(order));
+
+if (
+  !(
+    order[0] === "order" &&
+    order[1] === "b" &&
+    order[2] === "c" &&
+    order[3] === "d" &&
+    order[4] === "a" &&
+    order[5] === "parent"
+  )
+) {
+  throw new Error("TLA wrong order");
+}
+
+console.log("TLA order correct");
diff --git a/cli/tests/top_level_await_order.out b/cli/tests/top_level_await_order.out
new file mode 100644
index 000000000..4cc27858c
--- /dev/null
+++ b/cli/tests/top_level_await_order.out
@@ -0,0 +1,2 @@
+order ["order","b","c","d","a","parent"]
+TLA order correct
diff --git a/cli/tests/top_level_await_unresolved.js b/cli/tests/top_level_await_unresolved.js
new file mode 100644
index 000000000..231a8cd63
--- /dev/null
+++ b/cli/tests/top_level_await_unresolved.js
@@ -0,0 +1 @@
+await new Promise(() => {});
diff --git a/cli/tests/top_level_await_unresolved.out b/cli/tests/top_level_await_unresolved.out
new file mode 100644
index 000000000..77395f5d0
--- /dev/null
+++ b/cli/tests/top_level_await_unresolved.out
@@ -0,0 +1 @@
+error: Module evaluation is still pending but there are no pending ops or dynamic imports. This situation is often caused by unresolved promise.