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-rw-r--r--test/cmp1.go130
1 files changed, 0 insertions, 130 deletions
diff --git a/test/cmp1.go b/test/cmp1.go
deleted file mode 100644
index 698544c58..000000000
--- a/test/cmp1.go
+++ /dev/null
@@ -1,130 +0,0 @@
-// $G $D/$F.go && $L $F.$A && ./$A.out
-
-// Copyright 2009 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 main
-
-import "unsafe"
-
-func use(bool) {}
-
-func stringptr(s string) uintptr { return *(*uintptr)(unsafe.Pointer(&s)) }
-
-func isfalse(b bool) {
- if b {
- // stack will explain where
- panic("wanted false, got true")
- }
-}
-
-func istrue(b bool) {
- if !b {
- // stack will explain where
- panic("wanted true, got false")
- }
-}
-
-type T *int
-
-func main() {
- var a []int
- var b map[string]int
-
- var c string = "hello"
- var d string = "hel" // try to get different pointer
- d = d + "lo"
- if stringptr(c) == stringptr(d) {
- panic("compiler too smart -- got same string")
- }
-
- var e = make(chan int)
-
- var ia interface{} = a
- var ib interface{} = b
- var ic interface{} = c
- var id interface{} = d
- var ie interface{} = e
-
- // these comparisons are okay because
- // string compare is okay and the others
- // are comparisons where the types differ.
- isfalse(ia == ib)
- isfalse(ia == ic)
- isfalse(ia == id)
- isfalse(ib == ic)
- isfalse(ib == id)
- istrue(ic == id)
- istrue(ie == ie)
-
- // these are okay because one side of the
- // comparison need only be assignable to the other.
- isfalse(a == ib)
- isfalse(a == ic)
- isfalse(a == id)
- isfalse(b == ic)
- isfalse(b == id)
- istrue(c == id)
- istrue(e == ie)
-
- isfalse(ia == b)
- isfalse(ia == c)
- isfalse(ia == d)
- isfalse(ib == c)
- isfalse(ib == d)
- istrue(ic == d)
- istrue(ie == e)
-
- // 6g used to let this go through as true.
- var g uint64 = 123
- var h int64 = 123
- var ig interface{} = g
- var ih interface{} = h
- isfalse(ig == ih)
-
- // map of interface should use == on interface values,
- // not memory.
- // TODO: should m[c], m[d] be valid here?
- var m = make(map[interface{}]int)
- m[ic] = 1
- m[id] = 2
- if m[ic] != 2 {
- println("m[ic] = ", m[ic])
- panic("bad m[ic]")
- }
-
- // non-interface comparisons
- {
- c := make(chan int)
- c1 := (<-chan int)(c)
- c2 := (chan<- int)(c)
- istrue(c == c1)
- istrue(c == c2)
- istrue(c1 == c)
- istrue(c2 == c)
-
- d := make(chan int)
- isfalse(c == d)
- isfalse(d == c)
- isfalse(d == c1)
- isfalse(d == c2)
- isfalse(c1 == d)
- isfalse(c2 == d)
- }
-
- // named types vs not
- {
- var x = new(int)
- var y T
- var z T = x
-
- isfalse(x == y)
- istrue(x == z)
- isfalse(y == z)
-
- isfalse(y == x)
- istrue(z == x)
- isfalse(z == y)
- }
-}