1 files changed, 12 insertions, 2 deletions
diff --git a/test/js/node/process/process.test.js b/test/js/node/process/process.test.js
index e32f34936..539a92f2c 100644
--- a/test/js/node/process/process.test.js
+++ b/test/js/node/process/process.test.js
@@ -317,7 +317,8 @@ describe("process.cpuUsage", () => {
 
   it("works with diff", () => {
     const init = process.cpuUsage();
-    for (let i = 0; i < 1000; i++) {}
+    init.system = 1;
+    init.user = 1;
     const delta = process.cpuUsage(init);
     expect(delta.user).toBeGreaterThan(0);
     expect(delta.system).toBeGreaterThan(0);
@@ -328,7 +329,6 @@ describe("process.cpuUsage", () => {
       user: 0,
       system: 0,
     };
-    for (let i = 0; i < 1000; i++) {}
     const delta = process.cpuUsage(init);
     expect(delta.user).toBeGreaterThan(0);
     expect(delta.system).toBeGreaterThan(0);
@@ -478,3 +478,13 @@ for (const stub of emptyArrayStubs) {
     expect(process[stub]).toHaveLength(0);
   });
 }
+
+it("dlopen args parsing", () => {
+  expect(() => process.dlopen({ module: "42" }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: 42 }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: { exports: "42" } }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: { exports: 42 } }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: Symbol() }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: { exports: Symbol("123") } }, "/tmp/not-found.so")).toThrow();
+  expect(() => process.dlopen({ module: { exports: Symbol("123") } }, Symbol("badddd"))).toThrow();
+});