github.com/seashell-org/golang-migrate/v4@v4.15.3-0.20220722221203-6ab6c6c062d1/database/spanner/spansql/fuzz.go (about)

     1  // Copyright 2020 Google LLC
     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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build gofuzz
    16  // +build gofuzz
    17  
    18  package spansql
    19  
    20  func FuzzParseQuery(data []byte) int {
    21  	if _, err := ParseQuery(string(data)); err != nil {
    22  		// The value 0 signals data is an invalid query that should be
    23  		// added to the corpus.
    24  		return 0
    25  	}
    26  	// The value 1 signals the input was lexically corrent and the
    27  	// fuzzer should increase the priority of the given input.
    28  	return 1
    29  }