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authorYoshiya Hinosawa <stibium121@gmail.com>2023-02-21 00:35:04 +0900
committerGitHub <noreply@github.com>2023-02-20 16:35:04 +0100
commit6915a9b7a701dde0e1078867961c9a91811c1850 (patch)
treee6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js
parenta1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (diff)
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node. Among these 650 cases, about 130 cases are now failing. These failing cases are prefixed with `TODO:` in `tests/node_compat/config.json`. These will be addressed in later PRs.
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js')
-rw-r--r--cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js b/cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js
new file mode 100644
index 000000000..17a9c05e5
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-stream-readable-hwm-0.js
@@ -0,0 +1,37 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+
+const common = require('../common');
+
+// This test ensures that Readable stream will call _read() for streams
+// with highWaterMark === 0 upon .read(0) instead of just trying to
+// emit 'readable' event.
+
+const assert = require('assert');
+const { Readable } = require('stream');
+
+const r = new Readable({
+ // Must be called only once upon setting 'readable' listener
+ read: common.mustCall(),
+ highWaterMark: 0,
+});
+
+let pushedNull = false;
+// This will trigger read(0) but must only be called after push(null)
+// because the we haven't pushed any data
+r.on('readable', common.mustCall(() => {
+ assert.strictEqual(r.read(), null);
+ assert.strictEqual(pushedNull, true);
+}));
+r.on('end', common.mustCall());
+process.nextTick(() => {
+ assert.strictEqual(r.read(), null);
+ pushedNull = true;
+ r.push(null);
+});