6 files changed, 40 insertions, 0 deletions
diff --git a/tests/specs/run/cts/cjs_import_cts/__test__.jsonc b/tests/specs/run/cts/cjs_import_cts/__test__.jsonc
new file mode 100644
index 000000000..2205183d0
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/__test__.jsonc
@@ -0,0 +1,13 @@
+{
+  "tests": {
+    "no_check": {
+      "args": "run --allow-read main.js",
+      "output": "main.out"
+    },
+    "check": {
+      "args": "check main.js",
+      "output": "check.out",
+      "exitCode": 1
+    }
+  }
+}
diff --git a/tests/specs/run/cts/cjs_import_cts/add.cts b/tests/specs/run/cts/cjs_import_cts/add.cts
new file mode 100644
index 000000000..2a886fbc1
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/add.cts
@@ -0,0 +1,3 @@
+module.exports.add = function (a, b) {
+  return a + b;
+};
diff --git a/tests/specs/run/cts/cjs_import_cts/check.out b/tests/specs/run/cts/cjs_import_cts/check.out
new file mode 100644
index 000000000..a27e8d7af
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/check.out
@@ -0,0 +1,17 @@
+Check file:///[WILDLINE]main.js
+error: TS2580 [ERROR]: Cannot find name 'module'.
+module.exports.add = function (a, b) {
+~~~~~~
+    at file:///[WILDLINE]
+
+TS7006 [ERROR]: Parameter 'a' implicitly has an 'any' type.
+module.exports.add = function (a, b) {
+                               ^
+    at file:///[WILDLINE]
+
+TS7006 [ERROR]: Parameter 'b' implicitly has an 'any' type.
+module.exports.add = function (a, b) {
+                                  ^
+    at file:///[WILDLINE]
+
+Found 3 errors.
diff --git a/tests/specs/run/cts/cjs_import_cts/main.js b/tests/specs/run/cts/cjs_import_cts/main.js
new file mode 100644
index 000000000..9546a0fea
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/main.js
@@ -0,0 +1,3 @@
+import { subtract } from "./subtract.cjs";
+
+console.log(subtract(1, 2));
diff --git a/tests/specs/run/cts/cjs_import_cts/main.out b/tests/specs/run/cts/cjs_import_cts/main.out
new file mode 100644
index 000000000..3a2e3f498
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/main.out
@@ -0,0 +1 @@
+-1
diff --git a/tests/specs/run/cts/cjs_import_cts/subtract.cjs b/tests/specs/run/cts/cjs_import_cts/subtract.cjs
new file mode 100644
index 000000000..7dee54346
--- /dev/null
+++ b/tests/specs/run/cts/cjs_import_cts/subtract.cjs
@@ -0,0 +1,3 @@
+module.exports.subtract = function (a, b) {
+  return require("./add.cts").add(a, -b);
+};