3 more passing tests. yaayy

test/js/node/test/parallel/test-stream-duplex-readable-writable.js

@@ -0,0 +1,46 @@
+'use strict';
+
+const common = require('../common');
+const { Duplex } = require('stream');
+const assert = require('assert');
+
+{
+  const duplex = new Duplex({
+    readable: false
+  });
+  assert.strictEqual(duplex.readable, false);
+  duplex.push('asd');
+  duplex.on('error', common.mustCall((err) => {
+    assert.strictEqual(err.code, 'ERR_STREAM_PUSH_AFTER_EOF');
+  }));
+  duplex.on('data', common.mustNotCall());
+  duplex.on('end', common.mustNotCall());
+}
+
+{
+  const duplex = new Duplex({
+    writable: false,
+    write: common.mustNotCall()
+  });
+  assert.strictEqual(duplex.writable, false);
+  duplex.write('asd');
+  duplex.on('error', common.mustCall((err) => {
+    assert.strictEqual(err.code, 'ERR_STREAM_WRITE_AFTER_END');
+  }));
+  duplex.on('finish', common.mustNotCall());
+}
+
+{
+  const duplex = new Duplex({
+    readable: false
+  });
+  assert.strictEqual(duplex.readable, false);
+  duplex.on('data', common.mustNotCall());
+  duplex.on('end', common.mustNotCall());
+  async function run() {
+    for await (const chunk of duplex) {
+      assert(false, chunk);
+    }
+  }
+  run().then(common.mustCall());
+}

test/js/node/test/parallel/test-stream-error-once.js

@@ -0,0 +1,19 @@
+'use strict';
+const common = require('../common');
+const { Writable, Readable } = require('stream');
+
+{
+  const writable = new Writable();
+  writable.on('error', common.mustCall());
+  writable.end();
+  writable.write('h');
+  writable.write('h');
+}
+
+{
+  const readable = new Readable();
+  readable.on('error', common.mustCall());
+  readable.push(null);
+  readable.push('h');
+  readable.push('h');
+}

test/js/node/test/parallel/test-stream-writable-write-cb-twice.js

@@ -0,0 +1,52 @@
+'use strict';
+const common = require('../common');
+const { Writable } = require('stream');
+
+{
+  // Sync + Sync
+  const writable = new Writable({
+    write: common.mustCall((buf, enc, cb) => {
+      cb();
+      cb();
+    })
+  });
+  writable.write('hi');
+  writable.on('error', common.expectsError({
+    code: 'ERR_MULTIPLE_CALLBACK',
+    name: 'Error'
+  }));
+}
+
+{
+  // Sync + Async
+  const writable = new Writable({
+    write: common.mustCall((buf, enc, cb) => {
+      cb();
+      process.nextTick(() => {
+        cb();
+      });
+    })
+  });
+  writable.write('hi');
+  writable.on('error', common.expectsError({
+    code: 'ERR_MULTIPLE_CALLBACK',
+    name: 'Error'
+  }));
+}
+
+{
+  // Async + Async
+  const writable = new Writable({
+    write: common.mustCall((buf, enc, cb) => {
+      process.nextTick(cb);
+      process.nextTick(() => {
+        cb();
+      });
+    })
+  });
+  writable.write('hi');
+  writable.on('error', common.expectsError({
+    code: 'ERR_MULTIPLE_CALLBACK',
+    name: 'Error'
+  }));
+}