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// Copyright 2015 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package hack
import (
"bytes"
"testing"
. "github.com/pingcap/check"
)
func TestT(t *testing.T) {
TestingT(t)
}
func TestString(t *testing.T) {
b := []byte("hello world")
a := String(b)
if a != "hello world" {
t.Fatal(a)
}
b[0] = 'a'
if a != "aello world" {
t.Fatal(a)
}
b = append(b, "abc"...)
if a != "aello world" {
t.Fatalf("a:%v, b:%v", a, b)
}
}
func TestByte(t *testing.T) {
a := "hello world"
b := Slice(a)
if !bytes.Equal(b, []byte("hello world")) {
t.Fatal(string(b))
}
}
func TestMutable(t *testing.T) {
a := []byte{'a', 'b', 'c'}
b := String(a) // b is a mutable string.
c := string(b) // Warn, c is a mutable string
if c != "abc" {
t.Fatalf("assert fail")
}
// c changed after a is modified
a[0] = 's'
if c != "sbc" {
t.Fatal("test mutable string fail")
}
}