tools/gn/escape_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/escape.h"
   7
   8 TEST(Escape, Ninja) {
   9   EscapeOptions opts;
  10   opts.mode = ESCAPE_NINJA;
  11   std::string result = EscapeString("asdf: \"$\\bar", opts, nullptr);
  12   EXPECT_EQ("asdf$:$ \"$$\\bar", result);
  13 }
  14
  15 TEST(Escape, WindowsCommand) {
  16   EscapeOptions opts;
  17   opts.mode = ESCAPE_NINJA_COMMAND;
  18   opts.platform = ESCAPE_PLATFORM_WIN;
  19
  20   // Regular string is passed, even if it has backslashes.
  21   EXPECT_EQ("foo\\bar", EscapeString("foo\\bar", opts, nullptr));
  22
  23   // Spaces means the string is quoted, normal backslahes untouched.
  24   bool needs_quoting = false;
  25   EXPECT_EQ("\"foo\\$ bar\"", EscapeString("foo\\ bar", opts, &needs_quoting));
  26   EXPECT_TRUE(needs_quoting);
  27
  28   // Inhibit quoting.
  29   needs_quoting = false;
  30   opts.inhibit_quoting = true;
  31   EXPECT_EQ("foo\\$ bar", EscapeString("foo\\ bar", opts, &needs_quoting));
  32   EXPECT_TRUE(needs_quoting);
  33   opts.inhibit_quoting = false;
  34
  35   // Backslashes at the end of the string get escaped.
  36   EXPECT_EQ("\"foo$ bar\\\\\\\\\"", EscapeString("foo bar\\\\", opts, nullptr));
  37
  38   // Backslashes preceeding quotes are escaped, and the quote is escaped.
  39   EXPECT_EQ("\"foo\\\\\\\"$ bar\"", EscapeString("foo\\\" bar", opts, nullptr));
  40 }
  41
  42 TEST(Escape, PosixCommand) {
  43   EscapeOptions opts;
  44   opts.mode = ESCAPE_NINJA_COMMAND;
  45   opts.platform = ESCAPE_PLATFORM_POSIX;
  46
  47   // : and $ ninja escaped with $. Then Shell-escape backslashes and quotes.
  48   EXPECT_EQ("a$:\\$ \\\"\\$$\\\\b", EscapeString("a: \"$\\b", opts, nullptr));
  49
  50   // Some more generic shell chars.
  51   EXPECT_EQ("a_\\;\\<\\*b", EscapeString("a_;<*b", opts, nullptr));
  52 }
  53
  54 TEST(Escape, NinjaPreformatted) {
  55   EscapeOptions opts;
  56   opts.mode = ESCAPE_NINJA_PREFORMATTED_COMMAND;
  57
  58   // Only $ is escaped.
  59   EXPECT_EQ("a: \"$$\\b<;", EscapeString("a: \"$\\b<;", opts, nullptr));
  60 }