Function TestConvertToBinaryString

pkg/types/convert_test.go:432–467

(t *testing.T)

}

func TestConvertToBinaryString(t *testing.T) {
	nhUTF8 := "你好"
	nhGBK := string([]byte{0xC4, 0xE3, 0xBA, 0xC3}) // "你好" in GBK
	nhUTF8Invalid := "你好" + string([]byte{0x81})
	nhGBKInvalid := nhGBK + string([]byte{0x81})
	tests := []struct {
		input         string
		inputCollate  string
		outputCharset string
		output        string
	}{
		{nhUTF8, "utf8_bin", "utf8", nhUTF8},
		{nhUTF8, "utf8mb4_bin", "utf8mb4", nhUTF8},
		{nhUTF8, "gbk_bin", "utf8", nhUTF8},
		{nhUTF8, "gbk_bin", "gbk", nhUTF8},
		{nhUTF8, "binary", "utf8mb4", nhUTF8},
		{nhGBK, "binary", "gbk", nhUTF8},
		{nhUTF8, "utf8_bin", "binary", nhUTF8},
		{nhUTF8, "gbk_bin", "binary", nhGBK},
		{nhUTF8Invalid, "utf8_bin", "utf8", ""},
		{nhGBKInvalid, "gbk_bin", "gbk", ""},
	}
	for _, tt := range tests {
		ft := NewFieldType(mysql.TypeVarchar)
		ft.SetFlen(255)
		ft.SetCharset(tt.outputCharset)
		inputDatum := NewCollationStringDatum(tt.input, tt.inputCollate)
		outputDatum, err := inputDatum.ConvertTo(DefaultStmtNoWarningContext, ft)
		if len(tt.output) == 0 {
			require.True(t, charset.ErrInvalidCharacterString.Equal(err), tt)
		} else {
			require.NoError(t, err, tt)
			require.Equal(t, tt.output, outputDatum.GetString(), tt)
		}
	}
}

func testStrToInt(t *testing.T, str string, expect int64, truncateAsErr bool, expectErr error) {
	ctx := DefaultStmtNoWarningContext.WithFlags(DefaultStmtFlags.WithIgnoreTruncateErr(!truncateAsErr))