formats/bmff/xpath_test.cc

// Copyright 2026 Google LLC
//
// 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 "formats/bmff/xpath.h"

#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace credentio {
namespace {

using ::testing::Eq;

class XPathTest : public ::testing::Test {
 protected:
  XPath a1_ = XPath(nullptr, "A", 1);
  XPath a1_b1_ = XPath(&a1_, "B", 1);
  XPath a1_b1_c1_ = XPath(&a1_b1_, "C", 1);
  XPath a1_b1_c2_ = XPath(&a1_b1_, "C", 2);
  XPath a_ = XPath(nullptr, "A");
  XPath a_b1_ = XPath(&a_, "B", 1);
};

TEST_F(XPathTest, ToString) {
  EXPECT_THAT(a1_.ToString(), Eq("/A[1]"));
  EXPECT_THAT(a1_b1_.ToString(), Eq("/A[1]/B[1]"));
  EXPECT_THAT(a1_b1_c1_.ToString(), Eq("/A[1]/B[1]/C[1]"));
  EXPECT_THAT(a1_b1_c2_.ToString(), Eq("/A[1]/B[1]/C[2]"));
  EXPECT_THAT(a_.ToString(), Eq("/A"));
  EXPECT_THAT(a_b1_.ToString(), Eq("/A/B[1]"));
}

TEST_F(XPathTest, XPathMatcherMatches) {
  XPathMatcher matcher("/moov/meta");
  EXPECT_TRUE(matcher.Matches("/moov[1]/meta[1]"));
  EXPECT_FALSE(matcher.Matches("/[moo[1]/[met[1]"));
}

}  // namespace
}  // namespace credentio