diff --git a/test/addons/zlib-binding/binding.cc b/test/addons/zlib-binding/binding.cc new file mode 100644 index 00000000000000..262f90bf0236e5 --- /dev/null +++ b/test/addons/zlib-binding/binding.cc @@ -0,0 +1,55 @@ +#include +#include +#include +#include + +namespace { + +inline void CompressBytes(const v8::FunctionCallbackInfo& info) { + assert(info[0]->IsArrayBufferView()); + auto view = info[0].As(); + auto byte_offset = view->ByteOffset(); + auto byte_length = view->ByteLength(); + assert(view->HasBuffer()); + auto buffer = view->Buffer(); + auto contents = buffer->GetContents(); + auto data = static_cast(contents.Data()) + byte_offset; + + Bytef buf[1024]; + + z_stream stream; + stream.zalloc = nullptr; + stream.zfree = nullptr; + + int err = deflateInit2(&stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED, + -15, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY); + assert(err == Z_OK); + + stream.avail_in = byte_length; + stream.next_in = data; + stream.avail_out = sizeof(buf); + stream.next_out = buf; + err = deflate(&stream, Z_FINISH); + assert(err == Z_STREAM_END); + + auto result = node::Buffer::Copy(info.GetIsolate(), + reinterpret_cast(buf), + sizeof(buf) - stream.avail_out); + + deflateEnd(&stream); + + info.GetReturnValue().Set(result.ToLocalChecked()); +} + +inline void Initialize(v8::Local exports, + v8::Local module, + v8::Local context) { + auto isolate = context->GetIsolate(); + auto key = v8::String::NewFromUtf8(isolate, "compressBytes"); + auto value = v8::FunctionTemplate::New(isolate, CompressBytes)->GetFunction(); + assert(exports->Set(context, key, value).IsJust()); +} + +} // anonymous namespace + +NODE_MODULE_CONTEXT_AWARE(binding, Initialize) diff --git a/test/addons/zlib-binding/binding.gyp b/test/addons/zlib-binding/binding.gyp new file mode 100644 index 00000000000000..60a9bb82661820 --- /dev/null +++ b/test/addons/zlib-binding/binding.gyp @@ -0,0 +1,9 @@ +{ + 'targets': [ + { + 'target_name': 'binding', + 'sources': ['binding.cc'], + 'include_dirs': ['../../../deps/zlib'], + }, + ] +} diff --git a/test/addons/zlib-binding/test.js b/test/addons/zlib-binding/test.js new file mode 100644 index 00000000000000..1bd014507b760e --- /dev/null +++ b/test/addons/zlib-binding/test.js @@ -0,0 +1,11 @@ +'use strict'; + +require('../../common'); +const assert = require('assert'); +const zlib = require('zlib'); +const binding = require('./build/Release/binding'); + +const input = Buffer.from('Hello, World!'); + +const output = zlib.inflateRawSync(binding.compressBytes(input)); +assert.deepStrictEqual(input, output);