57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package expression
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/model"
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)
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var _ = Suite(&testValuesSuite{})
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type testValuesSuite struct {
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}
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func (s *testValuesSuite) TestValues(c *C) {
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e := Values{
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model.NewCIStr("id"),
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}
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c.Assert(e.IsStatic(), IsFalse)
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c.Assert(e.String(), Equals, "id")
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ec := e.Clone()
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e2, ok := ec.(*Values)
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c.Assert(ok, IsTrue)
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e2.O = "ID"
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c.Assert(e.Equal(e2), IsTrue)
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m := map[interface{}]interface{}{}
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v, err := e.Eval(nil, m)
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c.Assert(err, NotNil)
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m["id"] = 1
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v, err = e.Eval(nil, m)
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c.Assert(err, IsNil)
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c.Assert(v, Equals, 1)
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m[ExprEvalValuesFunc] = func(string) (interface{}, error) {
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return 2, nil
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}
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v, err = e.Eval(nil, m)
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c.Assert(err, IsNil)
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c.Assert(v, Equals, 2)
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}
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