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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/os/exec/internal_test.go
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/os/exec/internal_test.go')
-rw-r--r--src/os/exec/internal_test.go61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/os/exec/internal_test.go b/src/os/exec/internal_test.go
new file mode 100644
index 0000000..68d517f
--- /dev/null
+++ b/src/os/exec/internal_test.go
@@ -0,0 +1,61 @@
+// Copyright 2015 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 exec
+
+import (
+ "io"
+ "testing"
+)
+
+func TestPrefixSuffixSaver(t *testing.T) {
+ tests := []struct {
+ N int
+ writes []string
+ want string
+ }{
+ {
+ N: 2,
+ writes: nil,
+ want: "",
+ },
+ {
+ N: 2,
+ writes: []string{"a"},
+ want: "a",
+ },
+ {
+ N: 2,
+ writes: []string{"abc", "d"},
+ want: "abcd",
+ },
+ {
+ N: 2,
+ writes: []string{"abc", "d", "e"},
+ want: "ab\n... omitting 1 bytes ...\nde",
+ },
+ {
+ N: 2,
+ writes: []string{"ab______________________yz"},
+ want: "ab\n... omitting 22 bytes ...\nyz",
+ },
+ {
+ N: 2,
+ writes: []string{"ab_______________________y", "z"},
+ want: "ab\n... omitting 23 bytes ...\nyz",
+ },
+ }
+ for i, tt := range tests {
+ w := &prefixSuffixSaver{N: tt.N}
+ for _, s := range tt.writes {
+ n, err := io.WriteString(w, s)
+ if err != nil || n != len(s) {
+ t.Errorf("%d. WriteString(%q) = %v, %v; want %v, %v", i, s, n, err, len(s), nil)
+ }
+ }
+ if got := string(w.Bytes()); got != tt.want {
+ t.Errorf("%d. Bytes = %q; want %q", i, got, tt.want)
+ }
+ }
+}