github.com/matrixorigin/matrixone@v1.2.0/pkg/vectorize/instr/instr_test.go (about)

     1  // Copyright 2022 Matrix Origin
     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  package instr
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  func TestSingle(t *testing.T) {
    22  	kases := []struct {
    23  		str string
    24  		sub string
    25  		ret int64
    26  	}{
    27  		{"abc", "bc", 2},
    28  		{"abc", "b", 2},
    29  		{"abc", "A", 1},
    30  		{"abc", "abc", 1},
    31  		{"foobarbar", "bar", 4},
    32  		{"foobarbar", "Bar", 4},
    33  		{"Abc", "A", 1},
    34  		{"abc", "A", 1},
    35  		{"abc", "a", 1},
    36  		{"abc", "dca", 0},
    37  		{"abc", "", 1},
    38  		{"", "abc", 0},
    39  		{"", "", 1},
    40  		{"abc", "abcabc", 0},
    41  		{"abcabc", "abc", 1},
    42  		{"abcabc", "bc", 2},
    43  		{"啊撒撒撒撒", "啊", 1},
    44  		{"啊撒撒撒撒", "撒", 2},
    45  		{"啊撒撒撒撒", "撒撒", 2},
    46  		{"啊撒撒撒撒x的q", "x", 6},
    47  		{"啊撒撒撒撒x的q", "x的", 6},
    48  		{"啊撒撒撒撒x的q", "x的q", 6},
    49  		{"啊撒撒撒撒x的q", "x的q啊", 0},
    50  		{"啊撒撒撒撒x的q", "的", 7},
    51  		{"啊撒撒撒撒x的q", "的q", 7},
    52  		{"啊撒撒撒撒x的q", "的q啊", 0},
    53  		{"啊撒撒撒撒x的q", "q", 8},
    54  	}
    55  	for _, kase := range kases {
    56  		ret := Single(kase.str, kase.sub)
    57  		if ret != kase.ret {
    58  			t.Fatalf("str: %s, sub: %s, ret: %d, want: %d", kase.str, kase.sub, ret, kase.ret)
    59  		}
    60  	}
    61  }