github.com/cloudwego/iasm@v0.2.0/expr/parser_test.go (about)

     1  //
     2  // Copyright 2024 CloudWeGo Authors
     3  //
     4  // Licensed under the Apache License, Version 2.0 (the "License");
     5  // you may not use this file except in compliance with the License.
     6  // You may obtain a copy of the License at
     7  //
     8  //     http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  //
    16  
    17  package expr
    18  
    19  import (
    20      `testing`
    21  
    22      `github.com/stretchr/testify/assert`
    23      `github.com/stretchr/testify/require`
    24  )
    25  
    26  func TestParser_Eval(t *testing.T) {
    27      p := new(Parser).SetSource(`3 - 2 * (5 + 6) ** 4 / 7 + (1 << (1234 % 23)) & 0x5436 ^ 0x5a5a - 2 | 1`)
    28      v, err := p.Parse(nil)
    29      require.NoError(t, err)
    30      r, err := v.Evaluate()
    31      require.NoError(t, err)
    32      assert.Equal(t, int64(7805), r)
    33  }