78 lines
1.7 KiB
Go
78 lines
1.7 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 builtin
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import (
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. "github.com/pingcap/check"
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)
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func (s *testBuiltinSuite) TestAbs(c *C) {
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tbl := []struct {
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Arg interface{}
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Ret interface{}
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}{
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{nil, nil},
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{int64(1), int64(1)},
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{uint64(1), uint64(1)},
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{int64(-1), int64(1)},
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{float64(3.14), float64(3.14)},
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{float64(-3.14), float64(3.14)},
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}
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for _, t := range tbl {
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v, err := builtinAbs([]interface{}{t.Arg}, nil)
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c.Assert(err, IsNil)
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c.Assert(v, DeepEquals, t.Ret)
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}
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}
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func (s *testBuiltinSuite) TestRand(c *C) {
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v, err := builtinRand([]interface{}{}, nil)
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c.Assert(err, IsNil)
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c.Assert(v, Less, float64(1))
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c.Assert(v, GreaterEqual, float64(0))
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}
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func (s *testBuiltinSuite) TestPow(c *C) {
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tbl := []struct {
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Arg []interface{}
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Ret float64
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}{
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{[]interface{}{1, 3}, 1},
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{[]interface{}{2, 2}, 4},
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{[]interface{}{4, 0.5}, 2},
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{[]interface{}{4, -2}, 0.0625},
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}
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for _, t := range tbl {
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v, err := builtinPow(t.Arg, nil)
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c.Assert(err, IsNil)
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c.Assert(v, DeepEquals, t.Ret)
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}
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errTbl := []struct {
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Arg []interface{}
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}{
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{[]interface{}{"test", "test"}},
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{[]interface{}{nil, nil}},
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{[]interface{}{1, "test"}},
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{[]interface{}{1, nil}},
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}
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for _, t := range errTbl {
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_, err := builtinPow(t.Arg, nil)
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c.Assert(err, NotNil)
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}
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}
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