test: deflake test-buffer-large-size

Author: jakecastelli

test/pummel/test-buffer-large-size-buffer-alloc-unsafe-slow.js

@@ -0,0 +1,31 @@
+'use strict';
+const common = require('../common');
+
+// Buffer with size > INT32_MAX
+common.skipIf32Bits();
+
+// Test Buffer size larger than integer range
+const { test } = require('node:test');
+const assert = require('assert');
+const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
+
+const stringTooLongError = {
+  message: `Cannot create a string longer than 0x${kStringMaxLength.toString(16)}` +
+    ' characters',
+  code: 'ERR_STRING_TOO_LONG',
+  name: 'Error',
+};
+
+const size = 2 ** 31;
+
+// Test Buffer.toString
+test('Buffer.allocUnsafeSlow with too long size', () => {
+  try {
+    assert.throws(() => Buffer.allocUnsafeSlow(size).toString('utf8'), stringTooLongError);
+  } catch (e) {
+    if (e.code !== 'ERR_MEMORY_ALLOCATION_FAILED') {
+      throw e;
+    }
+    common.skip('insufficient space for Buffer.alloc');
+  }
+});

test/pummel/test-buffer-large-size-buffer-alloc-unsafe.js

@@ -0,0 +1,31 @@
+'use strict';
+const common = require('../common');
+
+// Buffer with size > INT32_MAX
+common.skipIf32Bits();
+
+// Test Buffer size larger than integer range
+const { test } = require('node:test');
+const assert = require('assert');
+const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
+
+const stringTooLongError = {
+  message: `Cannot create a string longer than 0x${kStringMaxLength.toString(16)}` +
+    ' characters',
+  code: 'ERR_STRING_TOO_LONG',
+  name: 'Error',
+};
+
+const size = 2 ** 31;
+
+// Test Buffer.toString
+test('Buffer.allocUnsafe with too long size', () => {
+  try {
+    assert.throws(() => Buffer.allocUnsafe(size).toString('utf8'), stringTooLongError);
+  } catch (e) {
+    if (e.code !== 'ERR_MEMORY_ALLOCATION_FAILED') {
+      throw e;
+    }
+    common.skip('insufficient space for Buffer.alloc');
+  }
+});

test/pummel/test-buffer-large-size-buffer-alloc.js

@@ -0,0 +1,31 @@
+'use strict';
+const common = require('../common');
+
+// Buffer with size > INT32_MAX
+common.skipIf32Bits();
+
+// Test Buffer size larger than integer range
+const { test } = require('node:test');
+const assert = require('assert');
+const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
+
+const stringTooLongError = {
+  message: `Cannot create a string longer than 0x${kStringMaxLength.toString(16)}` +
+    ' characters',
+  code: 'ERR_STRING_TOO_LONG',
+  name: 'Error',
+};
+
+const size = 2 ** 31;
+
+// Test Buffer.toString
+test('Buffer.allocwith too long size', () => {
+  try {
+    assert.throws(() => Buffer.alloc(size).toString('utf8'), stringTooLongError);
+  } catch (e) {
+    if (e.code !== 'ERR_MEMORY_ALLOCATION_FAILED') {
+      throw e;
+    }
+    common.skip('insufficient space for Buffer.alloc');
+  }
+});

test/pummel/test-buffer-large-size.js renamed to test/pummel/test-buffer-large-size-buffer-write.js

@@ -0,0 +1,34 @@
+'use strict';
+const common = require('../common');
+
+// Buffer with size > INT32_MAX
+common.skipIf32Bits();
+
+// Test Buffer size larger than integer range
+const { test } = require('node:test');
+const assert = require('assert');
+const {
+  SlowBuffer,
+} = require('buffer');
+const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
+
+const stringTooLongError = {
+  message: `Cannot create a string longer than 0x${kStringMaxLength.toString(16)}` +
+    ' characters',
+  code: 'ERR_STRING_TOO_LONG',
+  name: 'Error',
+};
+
+const size = 2 ** 31;
+
+// Test Buffer.toString
+test('Buffer.toString with too long size', () => {
+  try {
+    assert.throws(() => SlowBuffer(size).toString('utf8'), stringTooLongError);
+  } catch (e) {
+    if (e.code !== 'ERR_MEMORY_ALLOCATION_FAILED') {
+      throw e;
+    }
+    common.skip('insufficient space for Buffer.alloc');
+  }
+});