5b979d09e0
The changes were required because of the different behavior of some casting and exponential operations on ppc64le platform. Add fix for "expression/builtin_math_test.go" and "store/tikv/lock_test.go"
713 lines
18 KiB
Go
713 lines
18 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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"math"
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"math/rand"
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"runtime"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/ast"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/util/testleak"
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"github.com/pingcap/tidb/util/testutil"
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"github.com/pingcap/tidb/util/types"
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)
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func (s *testEvaluatorSuite) TestAbs(c *C) {
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defer testleak.AfterTest(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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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Abs]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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}
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func (s *testEvaluatorSuite) TestCeil(c *C) {
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defer testleak.AfterTest(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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{float64(1.23), float64(2)},
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{float64(-1.23), float64(-1)},
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{"1.23", float64(2)},
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{"-1.23", float64(-1)},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Ceil]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, DeepEquals, t["Ret"][0], Commentf("arg:%v", t["Arg"]))
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}
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}
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func (s *testEvaluatorSuite) TestExp(c *C) {
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defer testleak.AfterTest(c)()
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testcases := []struct {
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num interface{}
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ret interface{}
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err Checker
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}{
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{int64(1), float64(2.718281828459045), IsNil},
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{float64(1.23), float64(3.4212295362896734), IsNil},
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{float64(-1.23), float64(0.2922925776808594), IsNil},
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{float64(-1), float64(0.36787944117144233), IsNil},
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{float64(0), float64(1), IsNil},
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{"1.23", float64(3.4212295362896734), IsNil},
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{"-1.23", float64(0.2922925776808594), IsNil},
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{"0", float64(1), IsNil},
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{nil, nil, IsNil},
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{"abce", nil, NotNil},
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{"", nil, NotNil},
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}
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for _, t := range testcases {
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if runtime.GOARCH == "ppc64le" && t.num == int64(1) {
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t.ret = float64(2.7182818284590455)
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}
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fc := funcs[ast.Exp]
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f, err := fc.getFunction(datumsToConstants(types.MakeDatums(t.num)), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, t.err)
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c.Assert(v, testutil.DatumEquals, types.NewDatum(t.ret))
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}
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}
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func (s *testEvaluatorSuite) TestFloor(c *C) {
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defer testleak.AfterTest(c)()
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sc := s.ctx.GetSessionVars().StmtCtx
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tmpIT := sc.IgnoreTruncate
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sc.IgnoreTruncate = true
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defer func() {
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sc.IgnoreTruncate = tmpIT
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}()
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for _, t := range []struct {
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num interface{}
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ret interface{}
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err Checker
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}{
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{nil, nil, IsNil},
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{int64(1), int64(1), IsNil},
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{float64(1.23), float64(1), IsNil},
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{float64(-1.23), float64(-2), IsNil},
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{"1.23", float64(1), IsNil},
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{"-1.23", float64(-2), IsNil},
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{"-1.b23", float64(-1), IsNil},
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{"abce", float64(0), IsNil},
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} {
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fc := funcs[ast.Floor]
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f, err := fc.getFunction(datumsToConstants(types.MakeDatums(t.num)), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, t.err)
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c.Assert(v, testutil.DatumEquals, types.NewDatum(t.ret))
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}
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}
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func (s *testEvaluatorSuite) TestLog(c *C) {
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defer testleak.AfterTest(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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{[]interface{}{int64(2)}, float64(0.6931471805599453)},
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{[]interface{}{int64(2), int64(65536)}, float64(16)},
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{[]interface{}{int64(10), int64(100)}, float64(2)},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Log]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, DeepEquals, t["Ret"][0], Commentf("arg:%v", t["Arg"]))
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}
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nullTbl := []struct {
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Arg []interface{}
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}{
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{[]interface{}{int64(-2)}},
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{[]interface{}{int64(1), int64(100)}},
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}
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nullDtbl := tblToDtbl(nullTbl)
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for _, t := range nullDtbl {
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fc := funcs[ast.Log]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v.Kind(), Equals, types.KindNull)
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}
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}
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func (s *testEvaluatorSuite) TestRand(c *C) {
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defer testleak.AfterTest(c)()
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fc := funcs[ast.Rand]
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f, err := fc.getFunction(nil, s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v.GetFloat64(), Less, float64(1))
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c.Assert(v.GetFloat64(), GreaterEqual, float64(0))
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// issue 3211
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f2, err := fc.getFunction([]Expression{&Constant{Value: types.NewIntDatum(20160101), RetType: types.NewFieldType(mysql.TypeLonglong)}}, s.ctx)
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c.Assert(err, IsNil)
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randGen := rand.New(rand.NewSource(20160101))
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for i := 0; i < 3; i++ {
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v, err = f2.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v.GetFloat64(), Equals, randGen.Float64())
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}
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}
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func (s *testEvaluatorSuite) TestPow(c *C) {
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defer testleak.AfterTest(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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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Pow]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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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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{[]interface{}{10, 700}}, // added overflow test
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}
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errDtbl := tblToDtbl(errTbl)
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for _, t := range errDtbl {
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fc := funcs[ast.Pow]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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_, err = f.eval(nil)
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c.Assert(err, NotNil)
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}
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}
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func (s *testEvaluatorSuite) TestRound(c *C) {
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defer testleak.AfterTest(c)()
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newDec := types.NewDecFromStringForTest
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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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{[]interface{}{-1.23}, -1},
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{[]interface{}{-1.23, 0}, -1},
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{[]interface{}{-1.58}, -2},
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{[]interface{}{1.58}, 2},
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{[]interface{}{1.298, 1}, 1.3},
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{[]interface{}{1.298}, 1},
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{[]interface{}{1.298, 0}, 1},
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{[]interface{}{23.298, -1}, 20},
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{[]interface{}{newDec("-1.23")}, newDec("-1")},
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{[]interface{}{newDec("-1.23"), 1}, newDec("-1.2")},
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{[]interface{}{newDec("-1.58")}, newDec("-2")},
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{[]interface{}{newDec("1.58")}, newDec("2")},
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{[]interface{}{newDec("1.58"), 1}, newDec("1.6")},
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{[]interface{}{newDec("23.298"), -1}, newDec("20")},
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{[]interface{}{nil, 2}, nil},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Round]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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}
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func (s *testEvaluatorSuite) TestTruncate(c *C) {
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defer testleak.AfterTest(c)()
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newDec := types.NewDecFromStringForTest
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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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{[]interface{}{-1.23, 0}, -1},
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{[]interface{}{1.58, 0}, 1},
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{[]interface{}{1.298, 1}, 1.2},
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{[]interface{}{123.2, -1}, 120},
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{[]interface{}{123.2, 100}, 123.2},
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{[]interface{}{123.2, -100}, 0},
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{[]interface{}{123.2, -100}, 0},
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{[]interface{}{1.797693134862315708145274237317043567981e+308, 2},
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1.797693134862315708145274237317043567981e+308},
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{[]interface{}{newDec("-1.23"), 0}, newDec("-1")},
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{[]interface{}{newDec("-1.23"), 1}, newDec("-1.2")},
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{[]interface{}{newDec("-11.23"), -1}, newDec("-10")},
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{[]interface{}{newDec("1.58"), 0}, newDec("1")},
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{[]interface{}{newDec("1.58"), 1}, newDec("1.5")},
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{[]interface{}{newDec("11.58"), -1}, newDec("10")},
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{[]interface{}{newDec("23.298"), -1}, newDec("20")},
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{[]interface{}{newDec("23.298"), -100}, newDec("0")},
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{[]interface{}{newDec("23.298"), 100}, newDec("23.298")},
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{[]interface{}{nil, 2}, nil},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Truncate]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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}
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func (s *testEvaluatorSuite) TestCRC32(c *C) {
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defer testleak.AfterTest(c)()
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tbl := []struct {
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Arg []interface{}
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Ret uint64
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}{
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{[]interface{}{"mysql"}, 2501908538},
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{[]interface{}{"MySQL"}, 3259397556},
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{[]interface{}{"hello"}, 907060870},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.CRC32]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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}
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func (s *testEvaluatorSuite) TestConv(c *C) {
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defer testleak.AfterTest(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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{[]interface{}{"a", 16, 2}, "1010"},
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{[]interface{}{"6E", 18, 8}, "172"},
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{[]interface{}{"-17", 10, -18}, "-H"},
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{[]interface{}{"-17", 10, 18}, "2D3FGB0B9CG4BD1H"},
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{[]interface{}{nil, 10, 10}, nil},
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{[]interface{}{"+18aZ", 7, 36}, 1},
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{[]interface{}{"18446744073709551615", -10, 16}, "7FFFFFFFFFFFFFFF"},
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{[]interface{}{"12F", -10, 16}, "C"},
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{[]interface{}{" FF ", 16, 10}, "255"},
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{[]interface{}{"TIDB", 10, 8}, "0"},
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{[]interface{}{"aa", 10, 2}, "0"},
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{[]interface{}{" A", -10, 16}, "0"},
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{[]interface{}{"a6a", 10, 8}, "0"},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Conv]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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v := []struct {
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s string
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base int64
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ret string
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}{
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{"-123456D1f", 5, "-1234"},
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{"+12azD", 16, "12a"},
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{"+", 12, ""},
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}
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for _, t := range v {
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r := getValidPrefix(t.s, t.base)
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c.Assert(r, Equals, t.ret)
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}
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}
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func (s *testEvaluatorSuite) TestSign(c *C) {
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defer testleak.AfterTest(c)()
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for _, t := range []struct {
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num interface{}
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ret interface{}
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err Checker
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}{
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{nil, nil, IsNil},
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{1, 1, IsNil},
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{0, 0, IsNil},
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{-1, -1, IsNil},
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{0.4, 1, IsNil},
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{-0.4, -1, IsNil},
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{"1", 1, IsNil},
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{"-1", -1, IsNil},
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{"1a", 1, NotNil},
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{"-1a", -1, NotNil},
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{"a", 0, NotNil},
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{uint64(9223372036854775808), 1, IsNil},
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} {
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fc := funcs[ast.Sign]
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f, err := fc.getFunction(datumsToConstants(types.MakeDatums(t.num)), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, t.err)
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c.Assert(v, testutil.DatumEquals, types.NewDatum(t.ret))
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}
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}
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func (s *testEvaluatorSuite) TestDegrees(c *C) {
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defer testleak.AfterTest(c)()
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sc := s.ctx.GetSessionVars().StmtCtx
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tmpIT := sc.IgnoreTruncate
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sc.IgnoreTruncate = true
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defer func() {
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sc.IgnoreTruncate = tmpIT
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}()
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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(0), float64(0)},
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{int64(1), float64(57.29577951308232)},
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{float64(1), float64(57.29577951308232)},
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{float64(math.Pi), float64(180)},
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{float64(-math.Pi / 2), float64(-90)},
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{"", float64(0)},
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{"-2", float64(-114.59155902616465)},
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{"abc", float64(0)},
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{"+1abc", float64(57.29577951308232)},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Degrees]
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f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
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c.Assert(err, IsNil)
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v, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(v, DeepEquals, t["Ret"][0], Commentf("arg:%v", t["arg"]))
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}
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}
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func (s *testEvaluatorSuite) TestSqrt(c *C) {
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defer testleak.AfterTest(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), float64(1)},
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{float64(4), float64(2)},
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{"4", float64(2)},
|
|
{"9", float64(3)},
|
|
{"-16", nil},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Sqrt]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, DeepEquals, t["Ret"][0], Commentf("arg:%v", t["Arg"]))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestPi(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
fc := funcs[ast.PI]
|
|
f, _ := fc.getFunction(nil, s.ctx)
|
|
pi, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(pi, testutil.DatumEquals, types.NewDatum(math.Pi))
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestRadians(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{0, float64(0)},
|
|
{float64(180), float64(math.Pi)},
|
|
{-360, -2 * float64(math.Pi)},
|
|
{"180", float64(math.Pi)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Radians]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
|
|
invalidArg := "notNum"
|
|
fc := funcs[ast.Radians]
|
|
f, err := fc.getFunction(datumsToConstants([]types.Datum{types.NewDatum(invalidArg)}), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
_, err = f.eval(nil)
|
|
c.Assert(err, NotNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestSin(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{int64(0), float64(0)},
|
|
{math.Pi, float64(math.Sin(math.Pi))}, // Pie ==> 0
|
|
{-math.Pi, float64(math.Sin(-math.Pi))},
|
|
{math.Pi / 2, float64(math.Sin(math.Pi / 2))}, // Pie/2 ==> 1
|
|
{-math.Pi / 2, float64(math.Sin(-math.Pi / 2))},
|
|
{math.Pi / 6, float64(math.Sin(math.Pi / 6))}, // Pie/6(30 degrees) ==> 0.5
|
|
{-math.Pi / 6, float64(math.Sin(-math.Pi / 6))},
|
|
{math.Pi * 2, float64(math.Sin(math.Pi * 2))},
|
|
{"0.000", float64(0)}, // string value case
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Sin]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestCos(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{int64(0), float64(1)},
|
|
{math.Pi, float64(-1)}, // cos pi equals -1
|
|
{-math.Pi, float64(-1)},
|
|
{math.Pi / 2, float64(math.Cos(math.Pi / 2))}, // Pi/2 is some near 0 (6.123233995736766e-17) but not 0. Even in math it is 0.
|
|
{-math.Pi / 2, float64(math.Cos(-math.Pi / 2))},
|
|
{"0.000", float64(1)}, // string value case
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Cos]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Log(t)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAcos(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{int64(1), float64(0)},
|
|
{float64(1.0001), nil},
|
|
{"1", float64(0)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Acos]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAsin(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{int64(0), float64(0)},
|
|
{float64(1.0001), nil},
|
|
{"0", float64(0)},
|
|
{"1.0", math.Pi / 2},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Asin]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, DeepEquals, t["Ret"][0], Commentf("arg:%v", t["Arg"]))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAtan(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg []interface{}
|
|
Ret interface{}
|
|
}{
|
|
{[]interface{}{nil}, nil},
|
|
{[]interface{}{nil, nil}, nil},
|
|
{[]interface{}{int64(0), "aaa"}, float64(0)},
|
|
{[]interface{}{int64(0)}, float64(0)},
|
|
{[]interface{}{"0", "1"}, float64(0)},
|
|
{[]interface{}{"0.0", "-2.0"}, float64(math.Pi)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
|
|
for idx, t := range Dtbl {
|
|
fc := funcs[ast.Atan]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, DeepEquals, t["Ret"][0], Commentf("[%v] - arg:%v", idx, t["Arg"]))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestTan(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{int64(0), float64(0)},
|
|
{math.Pi / 4, float64(1)},
|
|
{-math.Pi / 4, float64(-1)},
|
|
{math.Pi * 3 / 4, math.Tan(math.Pi * 3 / 4)}, //in mysql and golang, it equals -1.0000000000000002, not -1
|
|
{"0.000", float64(0)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Tan]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Log(t)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestCot(c *C) {
|
|
defer testleak.AfterTest(c)()
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{math.Pi / 4, math.Cos(math.Pi/4) / math.Sin(math.Pi/4)}, // cot pi/4 does not return 1 actually
|
|
{-math.Pi / 4, math.Cos(-math.Pi/4) / math.Sin(-math.Pi/4)},
|
|
{math.Pi * 3 / 4, math.Cos(math.Pi*3/4) / math.Sin(math.Pi*3/4)},
|
|
{"3.1415926", math.Cos(3.1415926) / math.Sin(3.1415926)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Cot]
|
|
f, err := fc.getFunction(datumsToConstants(t["Arg"]), s.ctx)
|
|
c.Assert(err, IsNil)
|
|
v, err := f.eval(nil)
|
|
c.Assert(err, IsNil)
|
|
c.Log(t)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|