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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/fixedbugs/issue30116u.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/fixedbugs/issue30116u.go | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/test/fixedbugs/issue30116u.go b/test/fixedbugs/issue30116u.go new file mode 100644 index 0000000..7c2aea2 --- /dev/null +++ b/test/fixedbugs/issue30116u.go @@ -0,0 +1,112 @@ +// run + +// Copyright 2019 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. + +// This test makes sure the text output for bounds check failures is as expected. + +package main + +import ( + "fmt" + "os" + "runtime" + "text/tabwriter" +) + +// Testing with length 3 slices, arrays, and strings. +// A large (>1<<32) value is included to test 32-bit platforms. +var indexes = []uint64{0, 2, 3, 1<<32 - 1, 1<<64 - 1} +var slices = []uint64{0, 3, 4, 1<<32 - 1, 1<<64 - 1} + +var w *tabwriter.Writer + +func main() { + w = tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', tabwriter.AlignRight) + defer w.Flush() + doIndex() + doSlice() + doSlice3() +} +func doIndex() { + a := []int{1, 2, 3} + for _, i := range indexes { + printPanic(fmt.Sprintf("slice[%d]", i), func() { + _ = a[i] + }) + } + b := [3]int{1, 2, 3} + for _, i := range indexes { + printPanic(fmt.Sprintf("array[%d]", i), func() { + _ = b[i] + }) + } + c := "123" + for _, i := range indexes { + printPanic(fmt.Sprintf("string[%d]", i), func() { + _ = c[i] + }) + } +} + +func doSlice() { + a := []int{1, 2, 3} + for _, i := range slices { + for _, j := range slices { + printPanic(fmt.Sprintf("slice[%d:%d]", i, j), func() { + _ = a[i:j] + }) + } + } + b := [3]int{1, 2, 3} + for _, i := range slices { + for _, j := range slices { + printPanic(fmt.Sprintf("array[%d:%d]", i, j), func() { + _ = b[i:j] + }) + } + } + c := "123" + for _, i := range slices { + for _, j := range slices { + printPanic(fmt.Sprintf("string[%d:%d]", i, j), func() { + _ = c[i:j] + }) + } + } +} + +func doSlice3() { + a := []int{1, 2, 3} + for _, i := range slices { + for _, j := range slices { + for _, k := range slices { + printPanic(fmt.Sprintf("slice[%d:%d:%d]", i, j, k), func() { + _ = a[i:j:k] + }) + } + } + } + b := [3]int{1, 2, 3} + for _, i := range slices { + for _, j := range slices { + for _, k := range slices { + printPanic(fmt.Sprintf("array[%d:%d:%d]", i, j, k), func() { + _ = b[i:j:k] + }) + } + } + } +} + +func printPanic(msg string, f func()) { + defer func() { + res := "no panic" + if e := recover(); e != nil { + res = e.(runtime.Error).Error() + } + fmt.Fprintf(w, "%s\t %s\n", msg, res) + }() + f() +} |