diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internalunsafe_test.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internalunsafe_test.go | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internalunsafe_test.go b/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internalunsafe_test.go deleted file mode 100644 index 83e070e9a..000000000 --- a/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internalunsafe_test.go +++ /dev/null @@ -1,101 +0,0 @@ -// Copyright (c) 2013-2015 Dave Collins <dave@davec.name> - -// Permission to use, copy, modify, and distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. - -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - -// NOTE: Due to the following build constraints, this file will only be compiled -// when the code is not running on Google App Engine and "-tags disableunsafe" -// is not added to the go build command line. -// +build !appengine,!disableunsafe - -/* -This test file is part of the spew package rather than than the spew_test -package because it needs access to internals to properly test certain cases -which are not possible via the public interface since they should never happen. -*/ - -package spew - -import ( - "bytes" - "reflect" - "testing" - "unsafe" -) - -// changeKind uses unsafe to intentionally change the kind of a reflect.Value to -// the maximum kind value which does not exist. This is needed to test the -// fallback code which punts to the standard fmt library for new types that -// might get added to the language. -func changeKind(v *reflect.Value, readOnly bool) { - rvf := (*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(v)) + offsetFlag)) - *rvf = *rvf | ((1<<flagKindWidth - 1) << flagKindShift) - if readOnly { - *rvf |= flagRO - } else { - *rvf &= ^uintptr(flagRO) - } -} - -// TestAddedReflectValue tests functionaly of the dump and formatter code which -// falls back to the standard fmt library for new types that might get added to -// the language. -func TestAddedReflectValue(t *testing.T) { - i := 1 - - // Dump using a reflect.Value that is exported. - v := reflect.ValueOf(int8(5)) - changeKind(&v, false) - buf := new(bytes.Buffer) - d := dumpState{w: buf, cs: &Config} - d.dump(v) - s := buf.String() - want := "(int8) 5" - if s != want { - t.Errorf("TestAddedReflectValue #%d\n got: %s want: %s", i, s, want) - } - i++ - - // Dump using a reflect.Value that is not exported. - changeKind(&v, true) - buf.Reset() - d.dump(v) - s = buf.String() - want = "(int8) <int8 Value>" - if s != want { - t.Errorf("TestAddedReflectValue #%d\n got: %s want: %s", i, s, want) - } - i++ - - // Formatter using a reflect.Value that is exported. - changeKind(&v, false) - buf2 := new(dummyFmtState) - f := formatState{value: v, cs: &Config, fs: buf2} - f.format(v) - s = buf2.String() - want = "5" - if s != want { - t.Errorf("TestAddedReflectValue #%d got: %s want: %s", i, s, want) - } - i++ - - // Formatter using a reflect.Value that is not exported. - changeKind(&v, true) - buf2.Reset() - f = formatState{value: v, cs: &Config, fs: buf2} - f.format(v) - s = buf2.String() - want = "<int8 Value>" - if s != want { - t.Errorf("TestAddedReflectValue #%d got: %s want: %s", i, s, want) - } -} |