github.com/matrixorigin/matrixone@v0.7.0/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  	"github.com/matrixorigin/matrixone/pkg/container/nulls"
    19  	"testing"
    20  )
    21  
    22  func TestInstr(t *testing.T) {
    23  	s1 := []string{"abc"}
    24  	s2 := []string{"bc"}
    25  	rs := make([]int64, 3)
    26  	nsp := nulls.NewWithSize(3)
    27  	snasp := []*nulls.Nulls{nulls.NewWithSize(3), nulls.NewWithSize(3)}
    28  	Instr(s1, s2, snasp, rs, nsp)
    29  	nsp.Set(0)
    30  	Instr(s1, s2, snasp, rs, nsp)
    31  	s1 = append(s1, "abc")
    32  	Instr(s1, s2, snasp, rs, nsp)
    33  	s2 = append(s2, "bc")
    34  	Instr(s1, s2, snasp, rs, nsp)
    35  	s1 = s1[:1]
    36  	Instr(s1, s2, snasp, rs, nsp)
    37  }
    38  
    39  func TestSingle(t *testing.T) {
    40  	kases := []struct {
    41  		str string
    42  		sub string
    43  		ret int64
    44  	}{
    45  		{"abc", "bc", 2},
    46  		{"abc", "b", 2},
    47  		{"abc", "abc", 1},
    48  		{"abc", "a", 1},
    49  		{"abc", "dca", 0},
    50  		{"abc", "", 1},
    51  		{"", "abc", 0},
    52  		{"", "", 1},
    53  		{"abc", "abcabc", 0},
    54  		{"abcabc", "abc", 1},
    55  		{"abcabc", "bc", 2},
    56  		{"啊撒撒撒撒", "啊", 1},
    57  		{"啊撒撒撒撒", "撒", 2},
    58  		{"啊撒撒撒撒", "撒撒", 2},
    59  		{"啊撒撒撒撒x的q", "x", 6},
    60  		{"啊撒撒撒撒x的q", "x的", 6},
    61  		{"啊撒撒撒撒x的q", "x的q", 6},
    62  		{"啊撒撒撒撒x的q", "x的q啊", 0},
    63  		{"啊撒撒撒撒x的q", "的", 7},
    64  		{"啊撒撒撒撒x的q", "的q", 7},
    65  		{"啊撒撒撒撒x的q", "的q啊", 0},
    66  		{"啊撒撒撒撒x的q", "q", 8},
    67  	}
    68  	for _, kase := range kases {
    69  		ret := Single(kase.str, kase.sub)
    70  		if ret != kase.ret {
    71  			t.Fatalf("str: %s, sub: %s, ret: %d, want: %d", kase.str, kase.sub, ret, kase.ret)
    72  		}
    73  	}
    74  }