diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internal_test.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internal_test.go | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internal_test.go b/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internal_test.go deleted file mode 100644 index b583bfdef..000000000 --- a/Godeps/_workspace/src/github.com/davecgh/go-spew/spew/internal_test.go +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (c) 2013 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. - */ - -/* -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" -) - -// dummyFmtState implements a fake fmt.State to use for testing invalid -// reflect.Value handling. This is necessary because the fmt package catches -// invalid values before invoking the formatter on them. -type dummyFmtState struct { - bytes.Buffer -} - -func (dfs *dummyFmtState) Flag(f int) bool { - if f == int('+') { - return true - } - return false -} - -func (dfs *dummyFmtState) Precision() (int, bool) { - return 0, false -} - -func (dfs *dummyFmtState) Width() (int, bool) { - return 0, false -} - -// TestInvalidReflectValue ensures the dump and formatter code handles an -// invalid reflect value properly. This needs access to internal state since it -// should never happen in real code and therefore can't be tested via the public -// API. -func TestInvalidReflectValue(t *testing.T) { - i := 1 - - // Dump invalid reflect value. - v := new(reflect.Value) - buf := new(bytes.Buffer) - d := dumpState{w: buf, cs: &Config} - d.dump(*v) - s := buf.String() - want := "<invalid>" - if s != want { - t.Errorf("InvalidReflectValue #%d\n got: %s want: %s", i, s, want) - } - i++ - - // Formatter invalid reflect value. - buf2 := new(dummyFmtState) - f := formatState{value: *v, cs: &Config, fs: buf2} - f.format(*v) - s = buf2.String() - want = "<invalid>" - if s != want { - t.Errorf("InvalidReflectValue #%d got: %s want: %s", i, s, want) - } -} - -// 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) - } -} - -// SortValues makes the internal sortValues function available to the test -// package. -func SortValues(values []reflect.Value, cs *ConfigState) { - sortValues(values, cs) -} |