diff options
Diffstat (limited to 'src/pkg/reflect/set_test.go')
-rw-r--r-- | src/pkg/reflect/set_test.go | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/src/pkg/reflect/set_test.go b/src/pkg/reflect/set_test.go deleted file mode 100644 index 85dc55e68..000000000 --- a/src/pkg/reflect/set_test.go +++ /dev/null @@ -1,211 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package reflect_test - -import ( - "bytes" - "go/ast" - "io" - . "reflect" - "testing" - "unsafe" -) - -type MyBuffer bytes.Buffer - -func TestImplicitMapConversion(t *testing.T) { - // Test implicit conversions in MapIndex and SetMapIndex. - { - // direct - m := make(map[int]int) - mv := ValueOf(m) - mv.SetMapIndex(ValueOf(1), ValueOf(2)) - x, ok := m[1] - if x != 2 { - t.Errorf("#1 after SetMapIndex(1,2): %d, %t (map=%v)", x, ok, m) - } - if n := mv.MapIndex(ValueOf(1)).Interface().(int); n != 2 { - t.Errorf("#1 MapIndex(1) = %d", n) - } - } - { - // convert interface key - m := make(map[interface{}]int) - mv := ValueOf(m) - mv.SetMapIndex(ValueOf(1), ValueOf(2)) - x, ok := m[1] - if x != 2 { - t.Errorf("#2 after SetMapIndex(1,2): %d, %t (map=%v)", x, ok, m) - } - if n := mv.MapIndex(ValueOf(1)).Interface().(int); n != 2 { - t.Errorf("#2 MapIndex(1) = %d", n) - } - } - { - // convert interface value - m := make(map[int]interface{}) - mv := ValueOf(m) - mv.SetMapIndex(ValueOf(1), ValueOf(2)) - x, ok := m[1] - if x != 2 { - t.Errorf("#3 after SetMapIndex(1,2): %d, %t (map=%v)", x, ok, m) - } - if n := mv.MapIndex(ValueOf(1)).Interface().(int); n != 2 { - t.Errorf("#3 MapIndex(1) = %d", n) - } - } - { - // convert both interface key and interface value - m := make(map[interface{}]interface{}) - mv := ValueOf(m) - mv.SetMapIndex(ValueOf(1), ValueOf(2)) - x, ok := m[1] - if x != 2 { - t.Errorf("#4 after SetMapIndex(1,2): %d, %t (map=%v)", x, ok, m) - } - if n := mv.MapIndex(ValueOf(1)).Interface().(int); n != 2 { - t.Errorf("#4 MapIndex(1) = %d", n) - } - } - { - // convert both, with non-empty interfaces - m := make(map[io.Reader]io.Writer) - mv := ValueOf(m) - b1 := new(bytes.Buffer) - b2 := new(bytes.Buffer) - mv.SetMapIndex(ValueOf(b1), ValueOf(b2)) - x, ok := m[b1] - if x != b2 { - t.Errorf("#5 after SetMapIndex(b1, b2): %p (!= %p), %t (map=%v)", x, b2, ok, m) - } - if p := mv.MapIndex(ValueOf(b1)).Elem().Pointer(); p != uintptr(unsafe.Pointer(b2)) { - t.Errorf("#5 MapIndex(b1) = %#x want %p", p, b2) - } - } - { - // convert channel direction - m := make(map[<-chan int]chan int) - mv := ValueOf(m) - c1 := make(chan int) - c2 := make(chan int) - mv.SetMapIndex(ValueOf(c1), ValueOf(c2)) - x, ok := m[c1] - if x != c2 { - t.Errorf("#6 after SetMapIndex(c1, c2): %p (!= %p), %t (map=%v)", x, c2, ok, m) - } - if p := mv.MapIndex(ValueOf(c1)).Pointer(); p != ValueOf(c2).Pointer() { - t.Errorf("#6 MapIndex(c1) = %#x want %p", p, c2) - } - } - { - // convert identical underlying types - // TODO(rsc): Should be able to define MyBuffer here. - // 6l prints very strange messages about .this.Bytes etc - // when we do that though, so MyBuffer is defined - // at top level. - m := make(map[*MyBuffer]*bytes.Buffer) - mv := ValueOf(m) - b1 := new(MyBuffer) - b2 := new(bytes.Buffer) - mv.SetMapIndex(ValueOf(b1), ValueOf(b2)) - x, ok := m[b1] - if x != b2 { - t.Errorf("#7 after SetMapIndex(b1, b2): %p (!= %p), %t (map=%v)", x, b2, ok, m) - } - if p := mv.MapIndex(ValueOf(b1)).Pointer(); p != uintptr(unsafe.Pointer(b2)) { - t.Errorf("#7 MapIndex(b1) = %#x want %p", p, b2) - } - } - -} - -func TestImplicitSetConversion(t *testing.T) { - // Assume TestImplicitMapConversion covered the basics. - // Just make sure conversions are being applied at all. - var r io.Reader - b := new(bytes.Buffer) - rv := ValueOf(&r).Elem() - rv.Set(ValueOf(b)) - if r != b { - t.Errorf("after Set: r=%T(%v)", r, r) - } -} - -func TestImplicitSendConversion(t *testing.T) { - c := make(chan io.Reader, 10) - b := new(bytes.Buffer) - ValueOf(c).Send(ValueOf(b)) - if bb := <-c; bb != b { - t.Errorf("Received %p != %p", bb, b) - } -} - -func TestImplicitCallConversion(t *testing.T) { - // Arguments must be assignable to parameter types. - fv := ValueOf(io.WriteString) - b := new(bytes.Buffer) - fv.Call([]Value{ValueOf(b), ValueOf("hello world")}) - if b.String() != "hello world" { - t.Errorf("After call: string=%q want %q", b.String(), "hello world") - } -} - -func TestImplicitAppendConversion(t *testing.T) { - // Arguments must be assignable to the slice's element type. - s := []io.Reader{} - sv := ValueOf(&s).Elem() - b := new(bytes.Buffer) - sv.Set(Append(sv, ValueOf(b))) - if len(s) != 1 || s[0] != b { - t.Errorf("after append: s=%v want [%p]", s, b) - } -} - -var implementsTests = []struct { - x interface{} - t interface{} - b bool -}{ - {new(*bytes.Buffer), new(io.Reader), true}, - {new(bytes.Buffer), new(io.Reader), false}, - {new(*bytes.Buffer), new(io.ReaderAt), false}, - {new(*ast.Ident), new(ast.Expr), true}, -} - -func TestImplements(t *testing.T) { - for _, tt := range implementsTests { - xv := TypeOf(tt.x).Elem() - xt := TypeOf(tt.t).Elem() - if b := xv.Implements(xt); b != tt.b { - t.Errorf("(%s).Implements(%s) = %v, want %v", xv.String(), xt.String(), b, tt.b) - } - } -} - -var assignableTests = []struct { - x interface{} - t interface{} - b bool -}{ - {new(chan int), new(<-chan int), true}, - {new(<-chan int), new(chan int), false}, - {new(*int), new(IntPtr), true}, - {new(IntPtr), new(*int), true}, - {new(IntPtr), new(IntPtr1), false}, - // test runs implementsTests too -} - -type IntPtr *int -type IntPtr1 *int - -func TestAssignableTo(t *testing.T) { - for _, tt := range append(assignableTests, implementsTests...) { - xv := TypeOf(tt.x).Elem() - xt := TypeOf(tt.t).Elem() - if b := xv.AssignableTo(xt); b != tt.b { - t.Errorf("(%s).AssignableTo(%s) = %v, want %v", xv.String(), xt.String(), b, tt.b) - } - } -} |