fuzz_test.go

Documentation: github.com/bytedance/sonic/internal/decoder

     1  //go:build go1.18
     2  // +build go1.18
     3  
     4  /**
     5   * Copyright 2023 ByteDance Inc.
     6   *
     7   * Licensed under the Apache License, Version 2.0 (the "License");
     8   * you may not use this file except in compliance with the License.
     9   * You may obtain a copy of the License at
    10   *
    11   *     http://www.apache.org/licenses/LICENSE-2.0
    12   *
    13   * Unless required by applicable law or agreed to in writing, software
    14   * distributed under the License is distributed on an "AS IS" BASIS,
    15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16   * See the License for the specific language governing permissions and
    17   * limitations under the License.
    18   */
    19  
    20  package decoder
    21  
    22  import (
    23      `fmt`
    24      `strings`
    25      `testing`
    26  )
    27  
    28  
    29  func Fuzz_calcBounds(f *testing.F) {
    30      f.Add(33, 16)
    31      f.Fuzz(func(t *testing.T, a int, b int){
    32          if a < 0 || a > 1024*1024*10 {
    33              return
    34          }
    35          src := strings.Repeat("a", a)
    36          p, x, q, y := calcBounds(a, b)
    37          if x < 0 {
    38              t.Fatal("x < 0", x)
    39          }
    40          if y < 0 {
    41              t.Fatal("y < 0", y)
    42          }
    43          if x > a {
    44              t.Fatal("x > a", x)
    45          }
    46          if y > a {
    47              t.Fatal("y > a", y)
    48          }
    49          if x > 31 {
    50              t.Fatal("x > 31", x)
    51          }
    52          if y > 31 {
    53              t.Fatal("y > 31", y)
    54          }
    55          if p < 0 {
    56              t.Fatal("p < 0", p)
    57          }
    58          if q < 0 {
    59              t.Fatal("q < 0", 0)
    60          }
    61          if p > a {
    62              t.Fatal("p >= a", p)
    63          }
    64          if q > a {
    65              t.Fatal("q >= a", q)
    66          }
    67          if p > q {
    68              t.Fatal("p > q", q)
    69          }
    70          
    71          _ = fmt.Sprintf(
    72              "%s\n\t%s^%s\n",
    73              src[p:q],
    74              strings.Repeat(".", x),
    75              strings.Repeat(".", y),
    76          )
    77      })
    78  }
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