github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/soliton/replog/replog_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package replog
    15  
    16  import (
    17  	"bytes"
    18  	"testing"
    19  
    20  	. "github.com/whtcorpsinc/check"
    21  )
    22  
    23  func TestT(t *testing.T) {
    24  	TestingT(t)
    25  }
    26  
    27  func TestString(t *testing.T) {
    28  	b := []byte("hello world")
    29  	a := String(b)
    30  
    31  	if a != "hello world" {
    32  		t.Fatal(a)
    33  	}
    34  
    35  	b[0] = 'a'
    36  
    37  	if a != "aello world" {
    38  		t.Fatal(a)
    39  	}
    40  
    41  	b = append(b, "abc"...)
    42  	if a != "aello world" {
    43  		t.Fatalf("a:%v, b:%v", a, b)
    44  	}
    45  }
    46  
    47  func TestByte(t *testing.T) {
    48  	a := "hello world"
    49  
    50  	b := Slice(a)
    51  
    52  	if !bytes.Equal(b, []byte("hello world")) {
    53  		t.Fatal(string(b))
    54  	}
    55  }
    56  
    57  func TestMublock(t *testing.T) {
    58  	a := []byte{'a', 'b', 'c'}
    59  	b := String(a) // b is a mublock string.
    60  	c := string(b) // Warn, c is a mublock string
    61  	if c != "abc" {
    62  		t.Fatalf("assert fail")
    63  	}
    64  
    65  	// c changed after a is modified
    66  	a[0] = 's'
    67  	if c != "sbc" {
    68  		t.Fatal("test mublock string fail")
    69  	}
    70  }