mirror of
https://github.com/mattn/go-sqlite3.git
synced 2025-05-24 14:54:48 +00:00
122ddb16de
A call now doesn't have to do any reflection, it just blindly invokes a bunch of argument and return value handlers to execute the translation, and the safety of the translation is determined at registration time.
98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
package sqlite3
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import (
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"errors"
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"math"
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"reflect"
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"testing"
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)
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func TestCallbackArgCast(t *testing.T) {
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intConv := callbackSyntheticForTests(reflect.ValueOf(int64(math.MaxInt64)), nil)
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floatConv := callbackSyntheticForTests(reflect.ValueOf(float64(math.MaxFloat64)), nil)
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errConv := callbackSyntheticForTests(reflect.Value{}, errors.New("test"))
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tests := []struct {
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f callbackArgConverter
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o reflect.Value
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}{
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{intConv, reflect.ValueOf(int8(-1))},
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{intConv, reflect.ValueOf(int16(-1))},
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{intConv, reflect.ValueOf(int32(-1))},
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{intConv, reflect.ValueOf(uint8(math.MaxUint8))},
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{intConv, reflect.ValueOf(uint16(math.MaxUint16))},
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{intConv, reflect.ValueOf(uint32(math.MaxUint32))},
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// Special case, int64->uint64 is only 1<<63 - 1, not 1<<64 - 1
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{intConv, reflect.ValueOf(uint64(math.MaxInt64))},
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{floatConv, reflect.ValueOf(float32(math.Inf(1)))},
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}
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for _, test := range tests {
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conv := callbackArgCast{test.f, test.o.Type()}
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val, err := conv.Run(nil)
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if err != nil {
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t.Errorf("Couldn't convert to %s: %s", test.o.Type(), err)
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} else if !reflect.DeepEqual(val.Interface(), test.o.Interface()) {
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t.Errorf("Unexpected result from converting to %s: got %v, want %v", test.o.Type(), val.Interface(), test.o.Interface())
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}
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}
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conv := callbackArgCast{errConv, reflect.TypeOf(int8(0))}
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_, err := conv.Run(nil)
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if err == nil {
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t.Errorf("Expected error during callbackArgCast, but got none")
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}
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}
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func TestCallbackConverters(t *testing.T) {
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tests := []struct {
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v interface{}
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err bool
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}{
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// Unfortunately, we can't tell which converter was returned,
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// but we can at least check which types can be converted.
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{[]byte{0}, false},
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{"text", false},
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{true, false},
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{int8(0), false},
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{int16(0), false},
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{int32(0), false},
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{int64(0), false},
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{uint8(0), false},
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{uint16(0), false},
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{uint32(0), false},
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{uint64(0), false},
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{int(0), false},
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{uint(0), false},
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{float64(0), false},
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{float32(0), false},
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{func() {}, true},
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{complex64(complex(0, 0)), true},
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{complex128(complex(0, 0)), true},
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{struct{}{}, true},
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{map[string]string{}, true},
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{[]string{}, true},
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{(*int8)(nil), true},
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{make(chan int), true},
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}
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for _, test := range tests {
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_, err := callbackArg(reflect.TypeOf(test.v))
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if test.err && err == nil {
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t.Errorf("Expected an error when converting %s, got no error", reflect.TypeOf(test.v))
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} else if !test.err && err != nil {
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t.Errorf("Expected converter when converting %s, got error: %s", reflect.TypeOf(test.v), err)
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}
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}
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for _, test := range tests {
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_, err := callbackRet(reflect.TypeOf(test.v))
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if test.err && err == nil {
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t.Errorf("Expected an error when converting %s, got no error", reflect.TypeOf(test.v))
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} else if !test.err && err != nil {
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t.Errorf("Expected converter when converting %s, got error: %s", reflect.TypeOf(test.v), err)
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}
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}
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}
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