github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/parser/opcode/opcode_test.go (about)

     1  // Copyright 2015 PingCAP, 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 opcode
    15  
    16  import "testing"
    17  
    18  func TestT(t *testing.T) {
    19  	op := Plus
    20  	if op.String() != "+" {
    21  		t.Fatalf("invalid op code")
    22  	}
    23  
    24  	// Test invalid opcode
    25  	defer func() {
    26  		recover()
    27  	}()
    28  
    29  	op = 0
    30  	s := op.String()
    31  	if len(s) > 0 {
    32  		t.Fail()
    33  	}
    34  }