7 files changed, 80 insertions, 0 deletions
diff --git a/cli/tests/051_wasm_import.ts b/cli/tests/051_wasm_import.ts
new file mode 100644
index 000000000..7000657c3
--- /dev/null
+++ b/cli/tests/051_wasm_import.ts
@@ -0,0 +1,22 @@
+import { add, addImported, addRemote } from "./051_wasm_import/simple.wasm";
+import { state } from "./051_wasm_import/wasm-dep.js";
+
+function assertEquals(actual: unknown, expected: unknown, msg?: string): void {
+  if (actual !== expected) {
+    throw new Error(msg);
+  }
+}
+
+assertEquals(state, "WASM Start Executed", "Incorrect state");
+
+assertEquals(add(10, 20), 30, "Incorrect add");
+
+assertEquals(addImported(0), 42, "Incorrect addImported");
+
+assertEquals(state, "WASM JS Function Executed", "Incorrect state");
+
+assertEquals(addImported(1), 43, "Incorrect addImported");
+
+assertEquals(addRemote(1), 2020, "Incorrect addRemote");
+
+console.log("Passed");
diff --git a/cli/tests/051_wasm_import.ts.out b/cli/tests/051_wasm_import.ts.out
new file mode 100644
index 000000000..863339fb8
--- /dev/null
+++ b/cli/tests/051_wasm_import.ts.out
@@ -0,0 +1 @@
+Passed
diff --git a/cli/tests/051_wasm_import/remote.ts b/cli/tests/051_wasm_import/remote.ts
new file mode 100644
index 000000000..761a5248e
--- /dev/null
+++ b/cli/tests/051_wasm_import/remote.ts
@@ -0,0 +1,3 @@
+export function jsRemoteFn(): number {
+  return 2019;
+}
diff --git a/cli/tests/051_wasm_import/simple.wasm b/cli/tests/051_wasm_import/simple.wasm
new file mode 100644
index 000000000..8e544fe30
--- /dev/null
+++ b/cli/tests/051_wasm_import/simple.wasm
diff --git a/cli/tests/051_wasm_import/simple.wat b/cli/tests/051_wasm_import/simple.wat
new file mode 100644
index 000000000..5e73db97b
--- /dev/null
+++ b/cli/tests/051_wasm_import/simple.wat
@@ -0,0 +1,31 @@
+;; From https://github.com/nodejs/node/blob/bbc254db5db672643aad89a436a4938412a5704e/test/fixtures/es-modules/simple.wat
+;; MIT Licensed
+;; $ wat2wasm simple.wat -o simple.wasm
+
+(module
+  (import "./wasm-dep.js" "jsFn" (func $jsFn (result i32)))
+  (import "./wasm-dep.js" "jsInitFn" (func $jsInitFn))
+  (import "http://127.0.0.1:4545/cli/tests/051_wasm_import/remote.ts" "jsRemoteFn" (func $jsRemoteFn (result i32)))
+  (export "add" (func $add))
+  (export "addImported" (func $addImported))
+  (export "addRemote" (func $addRemote))
+  (start $startFn)
+  (func $startFn
+    call $jsInitFn
+  )
+  (func $add (param $a i32) (param $b i32) (result i32)
+    local.get $a
+    local.get $b
+    i32.add
+  )
+  (func $addImported (param $a i32) (result i32)
+    local.get $a
+    call $jsFn
+    i32.add
+  )
+  (func $addRemote (param $a i32) (result i32)
+    local.get $a
+    call $jsRemoteFn
+    i32.add
+  )
+)
diff --git a/cli/tests/051_wasm_import/wasm-dep.js b/cli/tests/051_wasm_import/wasm-dep.js
new file mode 100644
index 000000000..70b16348b
--- /dev/null
+++ b/cli/tests/051_wasm_import/wasm-dep.js
@@ -0,0 +1,17 @@
+function assertEquals(actual, expected, msg) {
+  if (actual !== expected) {
+    throw new Error(msg || "");
+  }
+}
+
+export function jsFn() {
+  state = "WASM JS Function Executed";
+  return 42;
+}
+
+export let state = "JS Function Executed";
+
+export function jsInitFn() {
+  assertEquals(state, "JS Function Executed", "Incorrect state");
+  state = "WASM Start Executed";
+}
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index b8dab2de8..a366838a1 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -356,6 +356,12 @@ itest!(_050_more_jsons {
   output: "050_more_jsons.ts.out",
 });
 
+itest!(_051_wasm_import {
+  args: "run --reload --allow-net --allow-read 051_wasm_import.ts",
+  output: "051_wasm_import.ts.out",
+  http_server: true,
+});
+
 itest!(lock_check_ok {
   args: "run --lock=lock_check_ok.json http://127.0.0.1:4545/cli/tests/003_relative_import.ts",
   output: "003_relative_import.ts.out",