mirror of
https://github.com/nspcc-dev/neo-go.git
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2c5ab95b8a
Convert to ByteArray when converting variable to `string`, because underlying byte-slice changes should not affect result string.
100 lines
2 KiB
Go
100 lines
2 KiB
Go
package compiler_test
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import (
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"fmt"
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"math/big"
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"testing"
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)
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type convertTestCase struct {
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returnType string
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argValue string
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result interface{}
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}
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func getFunctionName(typ string) string {
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switch typ {
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case "bool":
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return "Bool"
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case "[]byte":
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return "ByteArray"
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case "int64":
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return "Integer"
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}
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panic("invalid type")
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}
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func TestConvert(t *testing.T) {
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srcTmpl := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/convert"
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func Main() %s {
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arg := %s
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return convert.To%s(arg)
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}`
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convertTestCases := []convertTestCase{
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{"bool", "true", true},
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{"bool", "false", false},
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{"bool", "12", true},
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{"bool", "0", false},
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{"bool", "[]byte{0, 1, 0}", true},
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{"bool", "[]byte{0}", true},
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{"bool", `""`, false},
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{"int64", "true", big.NewInt(1)},
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{"int64", "false", big.NewInt(0)},
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{"int64", "12", big.NewInt(12)},
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{"int64", "0", big.NewInt(0)},
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{"int64", "[]byte{0, 1, 0}", big.NewInt(256)},
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{"int64", "[]byte{0}", big.NewInt(0)},
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{"[]byte", "true", []byte{1}},
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{"[]byte", "false", []byte{0}},
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{"[]byte", "12", []byte{0x0C}},
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{"[]byte", "0", []byte{}},
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{"[]byte", "[]byte{0, 1, 0}", []byte{0, 1, 0}},
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}
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for _, tc := range convertTestCases {
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name := getFunctionName(tc.returnType)
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t.Run(tc.argValue+"->"+name, func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, tc.returnType, tc.argValue, name)
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eval(t, src, tc.result)
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})
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}
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}
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func TestTypeAssertion(t *testing.T) {
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src := `package foo
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func Main() int {
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a := []byte{1}
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var u interface{}
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u = a
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return u.(int)
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}`
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eval(t, src, big.NewInt(1))
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}
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func TestTypeConversion(t *testing.T) {
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src := `package foo
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type myInt int
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func Main() int32 {
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var a int32 = 41
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b := myInt(a)
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incMy := func(x myInt) myInt { return x + 1 }
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c := incMy(b)
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return int32(c)
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}`
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eval(t, src, big.NewInt(42))
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}
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func TestTypeConversionString(t *testing.T) {
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src := `package foo
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type mystr string
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func Main() mystr {
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b := []byte{'l', 'a', 'm', 'a', 'o'}
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s := mystr(b)
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b[0] = 'u'
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return s
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}`
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eval(t, src, []byte("lamao"))
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}
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