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document reflect.

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R=rsc
DELTA=201  (90 added, 0 deleted, 111 changed)
OCL=25904
CL=25966
This commit is contained in:
Rob Pike 2009-03-09 17:47:15 -07:00
parent 5bd5242bcc
commit 3bc6fd63fe
4 changed files with 192 additions and 102 deletions
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22
src/lib/reflect/all_test.go
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@ -43,7 +43,7 @@ func assert(s, t string) {
func typedump(s, t string) {
typ := reflect.ParseTypeString("", s);
assert(reflect.TypeToString(typ, true), t);
assert(reflect.typeToString(typ, true), t);
}
func valuedump(s, t string) {
@ -84,7 +84,7 @@ func valuedump(s, t string) {
case reflect.BoolKind:
v.(reflect.BoolValue).Set(true);
}
assert(reflect.ValueToString(v), t);
assert(reflect.valueToString(v), t);
}
type T struct { a int; b float64; c string; d *int }
@ -156,43 +156,43 @@ func TestAll(tt *testing.T) { // TODO(r): wrap up better
{ var tmp = 123;
value := reflect.NewValue(tmp);
assert(reflect.ValueToString(value), "123");
assert(reflect.valueToString(value), "123");
}
{ var tmp = 123.4;
value := reflect.NewValue(tmp);
assert(reflect.ValueToString(value), "123.4");
assert(reflect.valueToString(value), "123.4");
}
{ var tmp = "abc";
value := reflect.NewValue(tmp);
assert(reflect.ValueToString(value), "abc");
assert(reflect.valueToString(value), "abc");
}
{
var i int = 7;
var tmp = &T{123, 456.75, "hello", &i};
value := reflect.NewValue(tmp);
assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "reflect.T{123, 456.75, hello, *int(@)}");
assert(reflect.valueToString(value.(reflect.PtrValue).Sub()), "reflect.T{123, 456.75, hello, *int(@)}");
}
{
type C chan *T; // TODO: should not be necessary
var tmp = new(C);
value := reflect.NewValue(tmp);
assert(reflect.ValueToString(value), "*reflect.C·all_test(@)");
assert(reflect.valueToString(value), "*reflect.C·all_test(@)");
}
// {
// type A [10]int;
// var tmp A = A{1,2,3,4,5,6,7,8,9,10};
// value := reflect.NewValue(&tmp);
// assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
// assert(reflect.valueToString(value.(reflect.PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
// value.(reflect.PtrValue).Sub().(reflect.ArrayValue).Elem(4).(reflect.IntValue).Set(123);
// assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
// assert(reflect.valueToString(value.(reflect.PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
// }
{
type AA []int;
var tmp = AA{1,2,3,4,5,6,7,8,9,10};
value := reflect.NewValue(&tmp); // TODO: NewValue(tmp) too
assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
assert(reflect.valueToString(value.(reflect.PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
value.(reflect.PtrValue).Sub().(reflect.ArrayValue).Elem(4).(reflect.IntValue).Set(123);
assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
assert(reflect.valueToString(value.(reflect.PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
}
{