1 files changed, 109 insertions, 0 deletions
diff --git a/test/sequential/test-set-http-max-http-headers.js b/test/sequential/test-set-http-max-http-headers.js
new file mode 100644
index 0000000000..657f9948be
--- /dev/null
+++ b/test/sequential/test-set-http-max-http-headers.js
@@ -0,0 +1,109 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const { spawn } = require('child_process');
+const path = require('path');
+const testName = path.join(__dirname, 'test-http-max-http-headers.js');
+const parsers = ['legacy', 'llhttp'];
+
+const timeout = common.platformTimeout(100);
+
+const tests = [];
+
+function test(fn) {
+  tests.push(fn);
+}
+
+parsers.forEach((parser) => {
+  test(function(cb) {
+    console.log('running subtest expecting failure');
+
+    // Validate that the test fails if the max header size is too small.
+    const args = ['--expose-internals',
+                  `--http-parser=${parser}`,
+                  '--max-http-header-size=1024',
+                  testName];
+    const cp = spawn(process.execPath, args, { stdio: 'inherit' });
+
+    cp.on('close', common.mustCall((code, signal) => {
+      assert.strictEqual(code, 1);
+      assert.strictEqual(signal, null);
+      cb();
+    }));
+  });
+
+  test(function(cb) {
+    console.log('running subtest expecting success');
+
+    const env = Object.assign({}, process.env, {
+      NODE_DEBUG: 'http'
+    });
+
+    // Validate that the test fails if the max header size is too small.
+    // Validate that the test now passes if the same limit becomes large enough.
+    const args = ['--expose-internals',
+                  `--http-parser=${parser}`,
+                  '--max-http-header-size=1024',
+                  testName,
+                  '1024'];
+    const cp = spawn(process.execPath, args, {
+      env,
+      stdio: 'inherit'
+    });
+
+    cp.on('close', common.mustCall((code, signal) => {
+      assert.strictEqual(code, 0);
+      assert.strictEqual(signal, null);
+      cb();
+    }));
+  });
+
+  // Next, repeat the same checks using NODE_OPTIONS if it is supported.
+  if (process.config.variables.node_without_node_options) {
+    const env = Object.assign({}, process.env, {
+      NODE_OPTIONS: `--http-parser=${parser} --max-http-header-size=1024`
+    });
+
+    test(function(cb) {
+      console.log('running subtest expecting failure');
+
+      // Validate that the test fails if the max header size is too small.
+      const args = ['--expose-internals', testName];
+      const cp = spawn(process.execPath, args, { env, stdio: 'inherit' });
+
+      cp.on('close', common.mustCall((code, signal) => {
+        assert.strictEqual(code, 1);
+        assert.strictEqual(signal, null);
+        cb();
+      }));
+    });
+
+    test(function(cb) {
+      // Validate that the test now passes if the same limit
+      // becomes large enough.
+      const args = ['--expose-internals', testName, '1024'];
+      const cp = spawn(process.execPath, args, { env, stdio: 'inherit' });
+
+      cp.on('close', common.mustCall((code, signal) => {
+        assert.strictEqual(code, 0);
+        assert.strictEqual(signal, null);
+        cb();
+      }));
+    });
+  }
+});
+
+function runTest() {
+  const fn = tests.shift();
+
+  if (!fn) {
+    return;
+  }
+
+  fn(() => {
+    setTimeout(runTest, timeout);
+  });
+}
+
+runTest();