Upload Kmake

test/parallel/test-child-process-flush-stdio.js

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+'use strict';
+const common = require('../common');
+const cp = require('child_process');
+const assert = require('assert');
+
+// Windows' `echo` command is a built-in shell command and not an external
+// executable like on *nix
+const opts = { shell: common.isWindows };
+
+const p = cp.spawn('echo', [], opts);
+
+p.on('close', common.mustCall((code, signal) => {
+  assert.strictEqual(code, 0);
+  assert.strictEqual(signal, null);
+  spawnWithReadable();
+}));
+
+p.stdout.read();
+
+const spawnWithReadable = () => {
+  const buffer = [];
+  const p = cp.spawn('echo', ['123'], opts);
+  p.on('close', common.mustCall((code, signal) => {
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+    assert.strictEqual(Buffer.concat(buffer).toString().trim(), '123');
+  }));
+  p.stdout.on('readable', () => {
+    let buf;
+    while ((buf = p.stdout.read()) !== null)
+      buffer.push(buf);
+  });
+};