// Copyright 2015 PingCAP, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // See the License for the specific language governing permissions and // limitations under the License. package types import ( "io" "testing" . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/util/testleak" ) func TestT(t *testing.T) { TestingT(t) } var _ = Suite(&testTypeEtcSuite{}) type testTypeEtcSuite struct { } func testIsTypeBlob(c *C, tp byte, expect bool) { v := IsTypeBlob(tp) c.Assert(v, Equals, expect) } func testIsTypeChar(c *C, tp byte, expect bool) { v := IsTypeChar(tp) c.Assert(v, Equals, expect) } func (s *testTypeEtcSuite) TestIsType(c *C) { defer testleak.AfterTest(c)() testIsTypeBlob(c, mysql.TypeTinyBlob, true) testIsTypeBlob(c, mysql.TypeMediumBlob, true) testIsTypeBlob(c, mysql.TypeBlob, true) testIsTypeBlob(c, mysql.TypeLongBlob, true) testIsTypeBlob(c, mysql.TypeInt24, false) testIsTypeChar(c, mysql.TypeString, true) testIsTypeChar(c, mysql.TypeVarchar, true) testIsTypeChar(c, mysql.TypeLong, false) } func testTypeStr(c *C, tp byte, expect string) { v := TypeStr(tp) c.Assert(v, Equals, expect) } func testTypeToStr(c *C, tp byte, charset string, expect string) { v := TypeToStr(tp, charset) c.Assert(v, Equals, expect) } func (s *testTypeEtcSuite) TestTypeToStr(c *C) { defer testleak.AfterTest(c)() testTypeStr(c, mysql.TypeYear, "year") testTypeStr(c, 0xdd, "") testTypeToStr(c, mysql.TypeBlob, "utf8", "text") testTypeToStr(c, mysql.TypeLongBlob, "utf8", "longtext") testTypeToStr(c, mysql.TypeTinyBlob, "utf8", "tinytext") testTypeToStr(c, mysql.TypeMediumBlob, "utf8", "mediumtext") testTypeToStr(c, mysql.TypeVarchar, "binary", "varbinary") testTypeToStr(c, mysql.TypeString, "binary", "binary") testTypeToStr(c, mysql.TypeTiny, "binary", "tinyint") testTypeToStr(c, mysql.TypeBlob, "binary", "blob") testTypeToStr(c, mysql.TypeLongBlob, "binary", "longblob") testTypeToStr(c, mysql.TypeTinyBlob, "binary", "tinyblob") testTypeToStr(c, mysql.TypeMediumBlob, "binary", "mediumblob") testTypeToStr(c, mysql.TypeVarchar, "utf8", "varchar") testTypeToStr(c, mysql.TypeString, "utf8", "char") testTypeToStr(c, mysql.TypeShort, "binary", "smallint") testTypeToStr(c, mysql.TypeInt24, "binary", "mediumint") testTypeToStr(c, mysql.TypeLong, "binary", "int") testTypeToStr(c, mysql.TypeLonglong, "binary", "bigint") testTypeToStr(c, mysql.TypeFloat, "binary", "float") testTypeToStr(c, mysql.TypeDouble, "binary", "double") testTypeToStr(c, mysql.TypeYear, "binary", "year") testTypeToStr(c, mysql.TypeDuration, "binary", "time") testTypeToStr(c, mysql.TypeDatetime, "binary", "datetime") testTypeToStr(c, mysql.TypeDate, "binary", "date") testTypeToStr(c, mysql.TypeTimestamp, "binary", "timestamp") testTypeToStr(c, mysql.TypeNewDecimal, "binary", "decimal") testTypeToStr(c, mysql.TypeUnspecified, "binary", "unspecified") testTypeToStr(c, 0xdd, "binary", "") testTypeToStr(c, mysql.TypeBit, "binary", "bit") testTypeToStr(c, mysql.TypeEnum, "binary", "enum") testTypeToStr(c, mysql.TypeSet, "binary", "set") } func (s *testTypeEtcSuite) TestEOFAsNil(c *C) { defer testleak.AfterTest(c)() err := EOFAsNil(io.EOF) c.Assert(err, IsNil) err = EOFAsNil(errors.New("test")) c.Assert(err, ErrorMatches, "test") } func (s *testTypeEtcSuite) TestMaxFloat(c *C) { defer testleak.AfterTest(c)() tbl := []struct { Flen int Decimal int Expect float64 }{ {3, 2, 9.99}, {5, 2, 999.99}, {10, 1, 999999999.9}, {5, 5, 0.99999}, } for _, t := range tbl { f := GetMaxFloat(t.Flen, t.Decimal) c.Assert(f, Equals, t.Expect) } } func (s *testTypeEtcSuite) TestRoundFloat(c *C) { defer testleak.AfterTest(c)() tbl := []struct { Input float64 Expect float64 }{ {2.5, 3}, {1.5, 2}, {0.5, 1}, {0.49999999999999997, 0}, {0, 0}, {-0.49999999999999997, 0}, {-0.5, -1}, {-2.5, -3}, {-1.5, -2}, } for _, t := range tbl { f := RoundFloat(t.Input) c.Assert(f, Equals, t.Expect) } } func (s *testTypeEtcSuite) TestRound(c *C) { defer testleak.AfterTest(c)() tbl := []struct { Input float64 Dec int Expect float64 }{ {-1.23, 0, -1}, {-1.58, 0, -2}, {1.58, 0, 2}, {1.298, 1, 1.3}, {1.298, 0, 1}, {23.298, -1, 20}, } for _, t := range tbl { f := Round(t.Input, t.Dec) c.Assert(f, Equals, t.Expect) } } func (s *testTypeEtcSuite) TestTruncate(c *C) { defer testleak.AfterTest(c)() tbl := []struct { Input float64 Flen int Decimal int Expect float64 Err error }{ {100.114, 10, 2, 100.11, nil}, {100.115, 10, 2, 100.12, nil}, {100.1156, 10, 3, 100.116, nil}, {100.1156, 3, 1, 99.9, ErrOverflow}, {1.36, 10, 2, 1.36, nil}, } for _, t := range tbl { f, err := TruncateFloat(t.Input, t.Flen, t.Decimal) c.Assert(f, Equals, t.Expect) c.Assert(terror.ErrorEqual(err, t.Err), IsTrue, Commentf("err %v", err)) } } func (s *testTypeEtcSuite) TestIsTypeTemporal(c *C) { defer testleak.AfterTest(c)() res := IsTypeTemporal(mysql.TypeDuration) c.Assert(res, Equals, true) res = IsTypeTemporal(mysql.TypeDatetime) c.Assert(res, Equals, true) res = IsTypeTemporal(mysql.TypeTimestamp) c.Assert(res, Equals, true) res = IsTypeTemporal(mysql.TypeDate) c.Assert(res, Equals, true) res = IsTypeTemporal(mysql.TypeNewDate) c.Assert(res, Equals, true) res = IsTypeTemporal('t') c.Assert(res, Equals, false) } func (s *testTypeEtcSuite) TestIsBinaryStr(c *C) { defer testleak.AfterTest(c)() in := FieldType{ Tp: mysql.TypeBit, Flag: mysql.UnsignedFlag, Flen: 1, Decimal: 0, Charset: charset.CharsetUTF8, Collate: charset.CollationUTF8, } in.Collate = charset.CollationUTF8 res := IsBinaryStr(&in) c.Assert(res, Equals, false) in.Collate = charset.CollationBin res = IsBinaryStr(&in) c.Assert(res, Equals, false) in.Tp = mysql.TypeBlob res = IsBinaryStr(&in) c.Assert(res, Equals, true) } func (s *testTypeEtcSuite) TestIsNonBinaryStr(c *C) { defer testleak.AfterTest(c)() in := FieldType{ Tp: mysql.TypeBit, Flag: mysql.UnsignedFlag, Flen: 1, Decimal: 0, Charset: charset.CharsetUTF8, Collate: charset.CollationUTF8, } in.Collate = charset.CollationBin res := IsBinaryStr(&in) c.Assert(res, Equals, false) in.Collate = charset.CollationUTF8 res = IsBinaryStr(&in) c.Assert(res, Equals, false) in.Tp = mysql.TypeBlob res = IsBinaryStr(&in) c.Assert(res, Equals, false) } func (s *testTypeEtcSuite) TestIsTemporalWithDate(c *C) { defer testleak.AfterTest(c)() res := IsTemporalWithDate(mysql.TypeDatetime) c.Assert(res, Equals, true) res = IsTemporalWithDate(mysql.TypeDate) c.Assert(res, Equals, true) res = IsTemporalWithDate(mysql.TypeTimestamp) c.Assert(res, Equals, true) res = IsTemporalWithDate('t') c.Assert(res, Equals, false) } func (s *testTypeEtcSuite) TestIsTypePrefixable(c *C) { defer testleak.AfterTest(c)() res := IsTypePrefixable('t') c.Assert(res, Equals, false) res = IsTypePrefixable(mysql.TypeBlob) c.Assert(res, Equals, true) } func (s *testTypeEtcSuite) TestIsTypeFractionable(c *C) { defer testleak.AfterTest(c)() res := IsTypeFractionable(mysql.TypeDatetime) c.Assert(res, Equals, true) res = IsTypeFractionable(mysql.TypeDuration) c.Assert(res, Equals, true) res = IsTypeFractionable(mysql.TypeTimestamp) c.Assert(res, Equals, true) res = IsTypeFractionable('t') c.Assert(res, Equals, false) } func (s *testTypeEtcSuite) TestIsTypeNumeric(c *C) { defer testleak.AfterTest(c)() res := IsTypeNumeric(mysql.TypeBit) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeTiny) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeInt24) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeLong) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeLonglong) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeNewDecimal) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeDecimal) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeFloat) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeDouble) c.Assert(res, Equals, true) res = IsTypeNumeric(mysql.TypeShort) c.Assert(res, Equals, true) res = IsTypeNumeric('t') c.Assert(res, Equals, false) }