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package main
// This file tests the type codes assigned by the reflect lowering pass.
// This test is not complete, most importantly, sidetables are not currently
// being tested.
import (
"reflect"
"unsafe"
)
const (
// See the top of src/reflect/type.go
prefixChan = 0b0001
prefixInterface = 0b0011
prefixPtr = 0b0101
prefixSlice = 0b0111
prefixArray = 0b1001
prefixFunc = 0b1011
prefixMap = 0b1101
prefixStruct = 0b1111
)
func main() {
// Check for some basic types.
assertType(3, uintptr(reflect.Int)<<1)
assertType(uint8(3), uintptr(reflect.Uint8)<<1)
assertType(byte(3), uintptr(reflect.Uint8)<<1)
assertType(int64(3), uintptr(reflect.Int64)<<1)
assertType("", uintptr(reflect.String)<<1)
assertType(3.5, uintptr(reflect.Float64)<<1)
assertType(unsafe.Pointer(nil), uintptr(reflect.UnsafePointer)<<1)
// Check for named types: they are given names in order.
// They are sorted in reverse, for no good reason.
const intNum = uintptr(reflect.Int) << 1
assertType(namedInt1(0), (3<<6)|intNum)
assertType(namedInt2(0), (2<<6)|intNum)
assertType(namedInt3(0), (1<<6)|intNum)
// Check for some "prefix-style" types.
assertType(make(chan int), (intNum<<5)|prefixChan)
assertType(new(int), (intNum<<5)|prefixPtr)
assertType([]int{}, (intNum<<5)|prefixSlice)
}
type (
namedInt1 int
namedInt2 int
namedInt3 int
)
// Pseudo call that is being checked by the code in reflect_test.go.
// After reflect lowering, the type code as part of the interface should match
// the asserted type code.
func assertType(itf interface{}, assertedTypeCode uintptr)
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