tests/fnmatch_test.cpp

/*
 * Copyright (C) 2020 The Android Open Source Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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#include <gtest/gtest.h>

#include <fnmatch.h>

TEST(fnmatch, basic) {
  EXPECT_EQ(0, fnmatch("abc", "abc", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("abc", "abd", 0));
}

TEST(fnmatch, casefold) {
  EXPECT_EQ(FNM_NOMATCH, fnmatch("abc", "aBc", 0));
  EXPECT_EQ(0, fnmatch("abc", "aBc", FNM_CASEFOLD));
}

TEST(fnmatch, character_class) {
  // Literal.
  EXPECT_EQ(0, fnmatch("ab[cd]", "abc", 0));
  EXPECT_EQ(0, fnmatch("ab[cd]", "abd", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab[cd]", "abe", 0));

  // Inverted literal.
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab[^cd]", "abc", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab[^cd]", "abd", 0));
  EXPECT_EQ(0, fnmatch("ab[^cd]", "abe", 0));

  // Range.
  EXPECT_EQ(0, fnmatch("a[0-9]b", "a0b", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("a[0-9]b", "aOb", 0));

  // Inverted range.
  EXPECT_EQ(0, fnmatch("a[^0-9]b", "aOb", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("a[^0-9]b", "a0b", 0));

  // Named.
  EXPECT_EQ(0, fnmatch("a[[:digit:]]b", "a0b", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("a[[:digit:]]b", "aOb", 0));

  // Inverted named.
  EXPECT_EQ(FNM_NOMATCH, fnmatch("a[^[:digit:]]b", "a0b", 0));
  EXPECT_EQ(0, fnmatch("a[^[:digit:]]b", "aOb", 0));
}

TEST(fnmatch, wild_any) {
  EXPECT_EQ(0, fnmatch("ab*", "ab", 0));
  EXPECT_EQ(0, fnmatch("ab*", "abc", 0));
  EXPECT_EQ(0, fnmatch("ab*", "abcd", 0));
  EXPECT_EQ(0, fnmatch("ab*", "ab/cd", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab*", "ab/cd", FNM_PATHNAME));
}

TEST(fnmatch, wild_one) {
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab?", "ab", 0));
  EXPECT_EQ(0, fnmatch("ab?", "abc", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab?", "abcd", 0));
  EXPECT_EQ(0, fnmatch("ab?d", "abcd", 0));
  EXPECT_EQ(0, fnmatch("ab?cd", "ab/cd", 0));
  EXPECT_EQ(FNM_NOMATCH, fnmatch("ab?cd", "ab/cd", FNM_PATHNAME));
}