4e1b7bc33d
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. No-Try: true No-Presubmit: true Bug: 1098010 Change-Id: I8c0f009d16350271f07d8e5e561085822cc9dd27 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3895935 Owners-Override: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1047456}
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <string.h>
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#include <unistd.h>
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#include "base/files/file_path.h"
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#include "base/files/file_util.h"
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#include "base/strings/string_piece.h"
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#include "base/strings/string_util.h"
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#include "content/common/set_process_title_linux.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace {
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const std::string kNullChr(1, '\0');
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std::string ReadCmdline() {
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std::string cmdline;
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CHECK(base::ReadFileToString(base::FilePath("/proc/self/cmdline"), &cmdline));
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// The process title appears in different formats depending on Linux kernel
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// version:
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// "title" (on Linux --4.17)
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// "title\0\0\0...\0" (on Linux 4.18--5.2)
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// "title\0" (on Linux 5.3--)
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//
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// For unit tests, just trim trailing null characters to support all cases.
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return std::string(base::TrimString(cmdline, kNullChr, base::TRIM_TRAILING));
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}
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TEST(SetProcTitleLinuxTest, Simple) {
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setproctitle("a %s cat", "cute");
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EXPECT_TRUE(base::EndsWith(ReadCmdline(), " a cute cat",
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base::CompareCase::SENSITIVE))
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<< ReadCmdline();
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setproctitle("-a %s cat", "cute");
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EXPECT_EQ(ReadCmdline(), "a cute cat");
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}
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TEST(SetProcTitleLinuxTest, Empty) {
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setproctitle("-");
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EXPECT_EQ(ReadCmdline(), "");
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}
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TEST(SetProcTitleLinuxTest, Long) {
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setproctitle("-long cat is l%0100000dng", 0);
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EXPECT_TRUE(base::StartsWith(ReadCmdline(), "long cat is l00000000",
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base::CompareCase::SENSITIVE))
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<< ReadCmdline();
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}
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} // namespace
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