summaryrefslogtreecommitdiff
path: root/cli/tests/node_compat/test/parallel/test-buffer-readfloat.js
diff options
context:
space:
mode:
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-buffer-readfloat.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-buffer-readfloat.js')
-rw-r--r--cli/tests/node_compat/test/parallel/test-buffer-readfloat.js113
1 files changed, 113 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-buffer-readfloat.js b/cli/tests/node_compat/test/parallel/test-buffer-readfloat.js
new file mode 100644
index 000000000..3606594da
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-buffer-readfloat.js
@@ -0,0 +1,113 @@
+// 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';
+
+require('../common');
+const assert = require('assert');
+
+// Test 32 bit float
+const buffer = Buffer.alloc(4);
+
+buffer[0] = 0;
+buffer[1] = 0;
+buffer[2] = 0x80;
+buffer[3] = 0x3f;
+assert.strictEqual(buffer.readFloatBE(0), 4.600602988224807e-41);
+assert.strictEqual(buffer.readFloatLE(0), 1);
+
+buffer[0] = 0;
+buffer[1] = 0;
+buffer[2] = 0;
+buffer[3] = 0xc0;
+assert.strictEqual(buffer.readFloatBE(0), 2.6904930515036488e-43);
+assert.strictEqual(buffer.readFloatLE(0), -2);
+
+buffer[0] = 0xff;
+buffer[1] = 0xff;
+buffer[2] = 0x7f;
+buffer[3] = 0x7f;
+assert.ok(Number.isNaN(buffer.readFloatBE(0)));
+assert.strictEqual(buffer.readFloatLE(0), 3.4028234663852886e+38);
+
+buffer[0] = 0xab;
+buffer[1] = 0xaa;
+buffer[2] = 0xaa;
+buffer[3] = 0x3e;
+assert.strictEqual(buffer.readFloatBE(0), -1.2126478207002966e-12);
+assert.strictEqual(buffer.readFloatLE(0), 0.3333333432674408);
+
+buffer[0] = 0;
+buffer[1] = 0;
+buffer[2] = 0;
+buffer[3] = 0;
+assert.strictEqual(buffer.readFloatBE(0), 0);
+assert.strictEqual(buffer.readFloatLE(0), 0);
+assert.ok(1 / buffer.readFloatLE(0) >= 0);
+
+buffer[3] = 0x80;
+assert.strictEqual(buffer.readFloatBE(0), 1.793662034335766e-43);
+assert.strictEqual(buffer.readFloatLE(0), -0);
+assert.ok(1 / buffer.readFloatLE(0) < 0);
+
+buffer[0] = 0;
+buffer[1] = 0;
+buffer[2] = 0x80;
+buffer[3] = 0x7f;
+assert.strictEqual(buffer.readFloatBE(0), 4.609571298396486e-41);
+assert.strictEqual(buffer.readFloatLE(0), Infinity);
+
+buffer[0] = 0;
+buffer[1] = 0;
+buffer[2] = 0x80;
+buffer[3] = 0xff;
+assert.strictEqual(buffer.readFloatBE(0), 4.627507918739843e-41);
+assert.strictEqual(buffer.readFloatLE(0), -Infinity);
+
+['readFloatLE', 'readFloatBE'].forEach((fn) => {
+
+ // Verify that default offset works fine.
+ buffer[fn](undefined);
+ buffer[fn]();
+
+ ['', '0', null, {}, [], () => {}, true, false].forEach((off) => {
+ assert.throws(
+ () => buffer[fn](off),
+ { code: 'ERR_INVALID_ARG_TYPE' }
+ );
+ });
+
+ [Infinity, -1, 1].forEach((offset) => {
+ assert.throws(
+ () => buffer[fn](offset),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError',
+ message: 'The value of "offset" is out of range. ' +
+ `It must be >= 0 and <= 0. Received ${offset}`
+ });
+ });
+
+ assert.throws(
+ () => Buffer.alloc(1)[fn](1),
+ {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: 'Attempt to access memory outside buffer bounds'
+ });
+
+ [NaN, 1.01].forEach((offset) => {
+ assert.throws(
+ () => buffer[fn](offset),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError',
+ message: 'The value of "offset" is out of range. ' +
+ `It must be an integer. Received ${offset}`
+ });
+ });
+});