4 files changed, 37 insertions, 40 deletions
diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 85363a27f..e6004ba49 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -2764,3 +2764,8 @@ itest!(report_error_handled {
   args: "run --quiet report_error_handled.ts",
   output: "report_error_handled.ts.out",
 });
+
+itest!(spawn_stdout_inherit {
+  args: "run --quiet --unstable -A spawn_stdout_inherit.ts",
+  output: "spawn_stdout_inherit.ts.out",
+});
diff --git a/cli/tests/testdata/spawn_stdout_inherit.ts b/cli/tests/testdata/spawn_stdout_inherit.ts
new file mode 100644
index 000000000..be5f9b7ef
--- /dev/null
+++ b/cli/tests/testdata/spawn_stdout_inherit.ts
@@ -0,0 +1,8 @@
+await Deno.spawn(Deno.execPath(), {
+  args: ["eval", "--quiet", "console.log('Hello, world! 1')"],
+  stdout: "inherit",
+});
+Deno.spawnSync(Deno.execPath(), {
+  args: ["eval", "--quiet", "console.log('Hello, world! 2')"],
+  stdout: "inherit",
+});
diff --git a/cli/tests/testdata/spawn_stdout_inherit.ts.out b/cli/tests/testdata/spawn_stdout_inherit.ts.out
new file mode 100644
index 000000000..474891cf2
--- /dev/null
+++ b/cli/tests/testdata/spawn_stdout_inherit.ts.out
@@ -0,0 +1,2 @@
+Hello, world! 1
+Hello, world! 2
diff --git a/cli/tests/unit/command_test.ts b/cli/tests/unit/command_test.ts
index f7213f034..4b3d5bd11 100644
--- a/cli/tests/unit/command_test.ts
+++ b/cli/tests/unit/command_test.ts
@@ -470,46 +470,6 @@ Deno.test(
 
 Deno.test(
   { permissions: { run: true, read: true } },
-  async function spawnOverrideStdio() {
-    const { stdout, stderr } = await Deno.spawn(Deno.execPath(), {
-      args: [
-        "eval",
-        "console.log('hello'); console.error('world')",
-      ],
-      stdin: "piped",
-      stdout: "null",
-      stderr: "null",
-    });
-
-    // @ts-ignore: for testing
-    assertEquals(new TextDecoder().decode(stdout), "hello\n");
-    // @ts-ignore: for testing
-    assertEquals(new TextDecoder().decode(stderr), "world\n");
-  },
-);
-
-Deno.test(
-  { permissions: { run: true, read: true } },
-  function spawnSyncOverrideStdio() {
-    const { stdout, stderr } = Deno.spawnSync(Deno.execPath(), {
-      args: [
-        "eval",
-        "console.log('hello'); console.error('world')",
-      ],
-      stdin: "piped",
-      stdout: "null",
-      stderr: "null",
-    });
-
-    // @ts-ignore: for testing
-    assertEquals(new TextDecoder().decode(stdout), "hello\n");
-    // @ts-ignore: for testing
-    assertEquals(new TextDecoder().decode(stderr), "world\n");
-  },
-);
-
-Deno.test(
-  { permissions: { run: true, read: true } },
   async function spawnEnv() {
     const { stdout } = await Deno.spawn(Deno.execPath(), {
       args: [
@@ -685,3 +645,25 @@ Deno.test(
     }
   },
 );
+
+Deno.test(async function spawnStdinPipedFails() {
+  await assertRejects(
+    () =>
+      Deno.spawn("id", {
+        stdin: "piped",
+      }),
+    TypeError,
+    "Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
+  );
+});
+
+Deno.test(function spawnSyncStdinPipedFails() {
+  assertThrows(
+    () =>
+      Deno.spawnSync("id", {
+        stdin: "piped",
+      }),
+    TypeError,
+    "Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
+  );
+});