An FNMatch helper for upcoming functionality.

PiperOrigin-RevId: 556898736
Change-Id: Ic310bab090d6a92036034058520ed6641be86fbc

1 files changed, 59 insertions, 0 deletions

diff --git a/absl/log/internal/fnmatch_test.cc b/absl/log/internal/fnmatch_test.cc
new file mode 100644
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--- /dev/null
+++ b/absl/log/internal/fnmatch_test.cc
@@ -0,0 +1,59 @@
+// Copyright 2023 The Abseil Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "absl/log/internal/fnmatch.h"
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace {
+using ::testing::IsFalse;
+using ::testing::IsTrue;
+
+TEST(FNMatchTest, Works) {
+  using absl::log_internal::FNMatch;
+  EXPECT_THAT(FNMatch("foo", "foo"), IsTrue());
+  EXPECT_THAT(FNMatch("foo", "bar"), IsFalse());
+  EXPECT_THAT(FNMatch("foo", "fo"), IsFalse());
+  EXPECT_THAT(FNMatch("foo", "foo2"), IsFalse());
+  EXPECT_THAT(FNMatch("bar/foo.ext", "bar/foo.ext"), IsTrue());
+  EXPECT_THAT(FNMatch("*ba*r/fo*o.ext*", "bar/foo.ext"), IsTrue());
+  EXPECT_THAT(FNMatch("bar/foo.ext", "bar/baz.ext"), IsFalse());
+  EXPECT_THAT(FNMatch("bar/foo.ext", "bar/foo"), IsFalse());
+  EXPECT_THAT(FNMatch("bar/foo.ext", "bar/foo.ext.zip"), IsFalse());
+  EXPECT_THAT(FNMatch("ba?/*.ext", "bar/foo.ext"), IsTrue());
+  EXPECT_THAT(FNMatch("ba?/*.ext", "baZ/FOO.ext"), IsTrue());
+  EXPECT_THAT(FNMatch("ba?/*.ext", "barr/foo.ext"), IsFalse());
+  EXPECT_THAT(FNMatch("ba?/*.ext", "bar/foo.ext2"), IsFalse());
+  EXPECT_THAT(FNMatch("ba?/*", "bar/foo.ext2"), IsTrue());
+  EXPECT_THAT(FNMatch("ba?/*", "bar/"), IsTrue());
+  EXPECT_THAT(FNMatch("ba?/?", "bar/"), IsFalse());
+  EXPECT_THAT(FNMatch("ba?/*", "bar"), IsFalse());
+  EXPECT_THAT(FNMatch("?x", "zx"), IsTrue());
+  EXPECT_THAT(FNMatch("*b", "aab"), IsTrue());
+  EXPECT_THAT(FNMatch("a*b", "aXb"), IsTrue());
+  EXPECT_THAT(FNMatch("", ""), IsTrue());
+  EXPECT_THAT(FNMatch("", "a"), IsFalse());
+  EXPECT_THAT(FNMatch("ab*", "ab"), IsTrue());
+  EXPECT_THAT(FNMatch("ab**", "ab"), IsTrue());
+  EXPECT_THAT(FNMatch("ab*?", "ab"), IsFalse());
+  EXPECT_THAT(FNMatch("*", "bbb"), IsTrue());
+  EXPECT_THAT(FNMatch("*", ""), IsTrue());
+  EXPECT_THAT(FNMatch("?", ""), IsFalse());
+  EXPECT_THAT(FNMatch("***", "**p"), IsTrue());
+  EXPECT_THAT(FNMatch("**", "*"), IsTrue());
+  EXPECT_THAT(FNMatch("*?", "*"), IsTrue());
+}
+
+}  // namespace