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zlib: use RangeError/TypeError consistently

PR-URL: #11391
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
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jasnell committed Feb 15, 2017
1 parent 8e69f7e commit b514bd231ed8926a0037b78e85d267a602c2e7cd
Showing with 30 additions and 28 deletions.
  1. +16 −14 lib/zlib.js
  2. +10 −10 test/parallel/test-zlib-deflate-constructors.js
  3. +4 −4 test/parallel/test-zlib-flush-flags.js
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@@ -31,9 +31,10 @@ for (var ck = 0; ck < ckeys.length; ck++) {
codes[codes[ckey]] = ckey;
}
-function isValidFlushFlag(flag) {
- return flag >= constants.Z_NO_FLUSH &&
- flag <= constants.Z_BLOCK;
+function isInvalidFlushFlag(flag) {
+ return typeof flag !== 'number' ||
+ flag < constants.Z_NO_FLUSH ||
+ flag > constants.Z_BLOCK;
// Covers: constants.Z_NO_FLUSH (0),
// constants.Z_PARTIAL_FLUSH (1),
@@ -141,11 +142,11 @@ class Zlib extends Transform {
this._opts = opts;
this._chunkSize = opts.chunkSize || constants.Z_DEFAULT_CHUNK;
- if (opts.flush && !isValidFlushFlag(opts.flush)) {
- throw new Error('Invalid flush flag: ' + opts.flush);
+ if (opts.flush && isInvalidFlushFlag(opts.flush)) {
+ throw new RangeError('Invalid flush flag: ' + opts.flush);
}
- if (opts.finishFlush && !isValidFlushFlag(opts.finishFlush)) {
- throw new Error('Invalid flush flag: ' + opts.finishFlush);
+ if (opts.finishFlush && isInvalidFlushFlag(opts.finishFlush)) {
+ throw new RangeError('Invalid flush flag: ' + opts.finishFlush);
}
this._flushFlag = opts.flush || constants.Z_NO_FLUSH;
@@ -154,37 +155,38 @@ class Zlib extends Transform {
if (opts.chunkSize) {
if (opts.chunkSize < constants.Z_MIN_CHUNK) {
- throw new Error('Invalid chunk size: ' + opts.chunkSize);
+ throw new RangeError('Invalid chunk size: ' + opts.chunkSize);
}
}
if (opts.windowBits) {
if (opts.windowBits < constants.Z_MIN_WINDOWBITS ||
opts.windowBits > constants.Z_MAX_WINDOWBITS) {
- throw new Error('Invalid windowBits: ' + opts.windowBits);
+ throw new RangeError('Invalid windowBits: ' + opts.windowBits);
}
}
if (opts.level) {
if (opts.level < constants.Z_MIN_LEVEL ||
opts.level > constants.Z_MAX_LEVEL) {
- throw new Error('Invalid compression level: ' + opts.level);
+ throw new RangeError('Invalid compression level: ' + opts.level);
}
}
if (opts.memLevel) {
if (opts.memLevel < constants.Z_MIN_MEMLEVEL ||
opts.memLevel > constants.Z_MAX_MEMLEVEL) {
- throw new Error('Invalid memLevel: ' + opts.memLevel);
+ throw new RangeError('Invalid memLevel: ' + opts.memLevel);
}
}
if (opts.strategy && isInvalidStrategy(opts.strategy))
- throw new Error('Invalid strategy: ' + opts.strategy);
+ throw new TypeError('Invalid strategy: ' + opts.strategy);
if (opts.dictionary) {
if (!(opts.dictionary instanceof Buffer)) {
- throw new Error('Invalid dictionary: it should be a Buffer instance');
+ throw new TypeError(
+ 'Invalid dictionary: it should be a Buffer instance');
}
}
@@ -280,7 +282,7 @@ class Zlib extends Transform {
var last = ending && (!chunk || ws.length === chunk.length);
if (chunk !== null && !(chunk instanceof Buffer))
- return cb(new Error('invalid input'));
+ return cb(new TypeError('invalid input'));
if (!this._handle)
return cb(new Error('zlib binding closed'));
@@ -15,7 +15,7 @@ assert.ok(new zlib.DeflateRaw() instanceof zlib.DeflateRaw);
// Throws if `opts.chunkSize` is invalid
assert.throws(
() => { new zlib.Deflate({chunkSize: -Infinity}); },
- /^Error: Invalid chunk size: -Infinity$/
+ /^RangeError: Invalid chunk size: -Infinity$/
);
// Confirm that maximum chunk size cannot be exceeded because it is `Infinity`.
@@ -24,23 +24,23 @@ assert.strictEqual(zlib.constants.Z_MAX_CHUNK, Infinity);
// Throws if `opts.windowBits` is invalid
assert.throws(
() => { new zlib.Deflate({windowBits: -Infinity}); },
- /^Error: Invalid windowBits: -Infinity$/
+ /^RangeError: Invalid windowBits: -Infinity$/
);
assert.throws(
() => { new zlib.Deflate({windowBits: Infinity}); },
- /^Error: Invalid windowBits: Infinity$/
+ /^RangeError: Invalid windowBits: Infinity$/
);
// Throws if `opts.level` is invalid
assert.throws(
() => { new zlib.Deflate({level: -Infinity}); },
- /^Error: Invalid compression level: -Infinity$/
+ /^RangeError: Invalid compression level: -Infinity$/
);
assert.throws(
() => { new zlib.Deflate({level: Infinity}); },
- /^Error: Invalid compression level: Infinity$/
+ /^RangeError: Invalid compression level: Infinity$/
);
// Throws a RangeError if `level` invalid in `Deflate.prototype.params()`
@@ -57,12 +57,12 @@ assert.throws(
// Throws if `opts.memLevel` is invalid
assert.throws(
() => { new zlib.Deflate({memLevel: -Infinity}); },
- /^Error: Invalid memLevel: -Infinity$/
+ /^RangeError: Invalid memLevel: -Infinity$/
);
assert.throws(
() => { new zlib.Deflate({memLevel: Infinity}); },
- /^Error: Invalid memLevel: Infinity$/
+ /^RangeError: Invalid memLevel: Infinity$/
);
// Does not throw if opts.strategy is valid
@@ -89,13 +89,13 @@ assert.doesNotThrow(
// Throws if opt.strategy is the wrong type.
assert.throws(
() => { new zlib.Deflate({strategy: '' + zlib.constants.Z_RLE }); },
- /^Error: Invalid strategy: 3$/
+ /^TypeError: Invalid strategy: 3$/
);
// Throws if opts.strategy is invalid
assert.throws(
() => { new zlib.Deflate({strategy: 'this is a bogus strategy'}); },
- /^Error: Invalid strategy: this is a bogus strategy$/
+ /^TypeError: Invalid strategy: this is a bogus strategy$/
);
// Throws TypeError if `strategy` is invalid in `Deflate.prototype.params()`
@@ -107,5 +107,5 @@ assert.throws(
// Throws if opts.dictionary is not a Buffer
assert.throws(
() => { new zlib.Deflate({dictionary: 'not a buffer'}); },
- /^Error: Invalid dictionary: it should be a Buffer instance$/
+ /^TypeError: Invalid dictionary: it should be a Buffer instance$/
);
@@ -9,20 +9,20 @@ assert.doesNotThrow(() => {
assert.throws(() => {
zlib.createGzip({ flush: 'foobar' });
-}, /Invalid flush flag: foobar/);
+}, /^RangeError: Invalid flush flag: foobar$/);
assert.throws(() => {
zlib.createGzip({ flush: 10000 });
-}, /Invalid flush flag: 10000/);
+}, /^RangeError: Invalid flush flag: 10000$/);
assert.doesNotThrow(() => {
zlib.createGzip({ finishFlush: zlib.constants.Z_SYNC_FLUSH });
});
assert.throws(() => {
zlib.createGzip({ finishFlush: 'foobar' });
-}, /Invalid flush flag: foobar/);
+}, /^RangeError: Invalid flush flag: foobar$/);
assert.throws(() => {
zlib.createGzip({ finishFlush: 10000 });
-}, /Invalid flush flag: 10000/);
+}, /^RangeError: Invalid flush flag: 10000$/);

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