// Copyright 2016-2019 Alex Stocks, Xinge Gao
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package hessian

import (
	"testing"
)

func TestEncInt32Len1B(t *testing.T) {
	var (
		v   int32
		err error
		e   *Encoder
		d   *Decoder
		res interface{}
	)

	v = 0xe6
	// var v int32 = 0xf016
	e = NewEncoder()
	e.Encode(v)
	if len(e.Buffer()) == 0 {
		t.Fail()
	}
	d = NewDecoder(e.Buffer())
	res, err = d.Decode()
	t.Logf("decode(%v) = %v, %v\n", v, res, err)
}

func TestEncInt32Len2B(t *testing.T) {
	var (
		v   int32
		err error
		e   *Encoder
		d   *Decoder
		res interface{}
	)

	v = 0xf016
	e = NewEncoder()
	e.Encode(v)
	if len(e.buffer) == 0 {
		t.Fail()
	}
	t.Logf("%#v\n", e.buffer)
	d = NewDecoder(e.Buffer())
	res, err = d.Decode()
	t.Logf("decode(%#x) = %#x, %v\n", v, res, err)
}

func TestEncInt32Len4B(t *testing.T) {
	var (
		v   int32
		err error
		e   *Encoder
		d   *Decoder
		res interface{}
	)

	e = NewEncoder()
	v = 0x20161024
	e.Encode(v)
	if len(e.Buffer()) == 0 {
		t.Fail()
	}

	d = NewDecoder(e.Buffer())
	res, err = d.Decode()
	t.Logf("decode(%v) = %v, %v\n", v, res, err)
}

func TestInt(t *testing.T) {
	testDecodeFramework(t, "replyInt_0", int32(0))
	testDecodeFramework(t, "replyInt_0x30", int32(0x30))
	testDecodeFramework(t, "replyInt_0x3ffff", int32(0x3ffff))
	testDecodeFramework(t, "replyInt_0x40000", int32(0x40000))
	testDecodeFramework(t, "replyInt_0x7ff", int32(0x7ff))
	testDecodeFramework(t, "replyInt_0x7fffffff", int32(0x7fffffff))
	testDecodeFramework(t, "replyInt_0x800", int32(0x800))
	testDecodeFramework(t, "replyInt_1", int32(1))
	testDecodeFramework(t, "replyInt_47", int32(47))
	testDecodeFramework(t, "replyInt_m0x40000", int32(-0x40000))
	testDecodeFramework(t, "replyInt_m0x40001", int32(-0x40001))
	testDecodeFramework(t, "replyInt_m0x800", int32(-0x800))
	testDecodeFramework(t, "replyInt_m0x80000000", int32(-0x80000000))
	testDecodeFramework(t, "replyInt_m0x801", int32(-0x801))
	testDecodeFramework(t, "replyInt_m16", int32(-16))
	testDecodeFramework(t, "replyInt_m17", int32(-17))
}

func TestIntEncode(t *testing.T) {
	testJavaDecode(t, "argInt_0", int32(0))
	testJavaDecode(t, "argInt_0x30", int32(0x30))
	testJavaDecode(t, "argInt_0x3ffff", int32(0x3ffff))
	testJavaDecode(t, "argInt_0x40000", int32(0x40000))
	testJavaDecode(t, "argInt_0x7ff", int32(0x7ff))
	testJavaDecode(t, "argInt_0x7fffffff", int32(0x7fffffff))
	testJavaDecode(t, "argInt_0x800", int32(0x800))
	testJavaDecode(t, "argInt_1", int32(1))
	testJavaDecode(t, "argInt_47", int32(47))
	testJavaDecode(t, "argInt_m0x40000", int32(-0x40000))
	testJavaDecode(t, "argInt_m0x40001", int32(-0x40001))
	testJavaDecode(t, "argInt_m0x800", int32(-0x800))
	testJavaDecode(t, "argInt_m0x80000000", int32(-0x80000000))
	testJavaDecode(t, "argInt_m0x801", int32(-0x801))
	testJavaDecode(t, "argInt_m16", int32(-16))
	testJavaDecode(t, "argInt_m17", int32(-17))
}