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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
commit | 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch) | |
tree | a61a0ffd83f4a3def4b36e5c8e99630c559aa723 /test/interface/bigdata.go | |
parent | Initial commit. (diff) | |
download | golang-1.18-upstream.tar.xz golang-1.18-upstream.zip |
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | test/interface/bigdata.go | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/test/interface/bigdata.go b/test/interface/bigdata.go new file mode 100644 index 0000000..0f2e9a9 --- /dev/null +++ b/test/interface/bigdata.go @@ -0,0 +1,74 @@ +// run + +// 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. + +// Test big vs. small, pointer vs. value interface methods. + +package main + +type I interface { M() int64 } + +type BigPtr struct { a, b, c, d int64 } +func (z *BigPtr) M() int64 { return z.a+z.b+z.c+z.d } + +type SmallPtr struct { a int32 } +func (z *SmallPtr) M() int64 { return int64(z.a) } + +type IntPtr int32 +func (z *IntPtr) M() int64 { return int64(*z) } + +var bad bool + +func test(name string, i I) { + m := i.M() + if m != 12345 { + println(name, m) + bad = true + } +} + +func ptrs() { + var bigptr BigPtr = BigPtr{ 10000, 2000, 300, 45 } + var smallptr SmallPtr = SmallPtr{ 12345 } + var intptr IntPtr = 12345 + +// test("bigptr", bigptr) + test("&bigptr", &bigptr) +// test("smallptr", smallptr) + test("&smallptr", &smallptr) +// test("intptr", intptr) + test("&intptr", &intptr) +} + +type Big struct { a, b, c, d int64 } +func (z Big) M() int64 { return z.a+z.b+z.c+z.d } + +type Small struct { a int32 } +func (z Small) M() int64 { return int64(z.a) } + +type Int int32 +func (z Int) M() int64 { return int64(z) } + +func nonptrs() { + var big Big = Big{ 10000, 2000, 300, 45 } + var small Small = Small{ 12345 } + var int Int = 12345 + + test("big", big) + test("&big", &big) + test("small", small) + test("&small", &small) + test("int", int) + test("&int", &int) +} + +func main() { + ptrs() + nonptrs() + + if bad { + println("BUG: interface4") + } +} |