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// Copyright 2017 The Bazel Authors. All rights reserved.
//
// 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
//
// http://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 "src/tools/singlejar/desugar_checking.h"
#include "src/tools/singlejar/input_jar.h"
#include "src/tools/singlejar/zip_headers.h"
#include "src/tools/singlejar/zlib_interface.h"
#include "gtest/gtest.h"
// A test fixture is used because friend access to class under test is needed.
// Tests are instance methods to avoid gUnit dep in .h file.
class Java8DesugarDepsCheckerTest : public ::testing::Test {
protected:
static void TestHasDefaultMethods() {
Java8DesugarDepsChecker checker([](const std::string &) { return false; },
/*verbose=*/false);
checker.has_default_methods_["a"] = true;
checker.extended_interfaces_["c"] = {"b", "a"};
// Induce cycle (shouldn't happen but make sure we don't crash)
checker.extended_interfaces_["d"] = {"e"};
checker.extended_interfaces_["e"] = {"d", "a"};
EXPECT_TRUE(checker.HasDefaultMethods("a"));
EXPECT_FALSE(checker.HasDefaultMethods("b"));
EXPECT_TRUE(checker.HasDefaultMethods("c")); // Transitivly through a
EXPECT_TRUE(checker.HasDefaultMethods("d")); // Transitivly through a
EXPECT_FALSE(checker.error_);
}
static void TestOutputEntry() {
bool checkedA = false;
Java8DesugarDepsChecker checker(
[&checkedA](const std::string &binary_name) {
checkedA = true;
return binary_name == "a$$CC.class";
},
/*verbose=*/false);
checker.has_default_methods_["a"] = true;
checker.extended_interfaces_["b"] = {"c", "d"};
checker.extended_interfaces_["c"] = {"e"};
checker.needed_deps_["a$$CC.class"] = "f";
checker.missing_interfaces_["b"] = "g";
EXPECT_EQ(nullptr, checker.OutputEntry(/*compress=*/true));
EXPECT_TRUE(checkedA);
// Make sure we checked b and its extended interfaces for default methods
EXPECT_FALSE(checker.has_default_methods_.at("b")); // should be cached
EXPECT_FALSE(checker.has_default_methods_.at("c")); // should be cached
EXPECT_FALSE(checker.has_default_methods_.at("d")); // should be cached
EXPECT_FALSE(checker.has_default_methods_.at("e")); // should be cached
EXPECT_FALSE(checker.error_);
}
static void TestNeededDepMissing() {
Java8DesugarDepsChecker checker([](const std::string &) { return false; },
/*verbose=*/false,
/*fail_on_error=*/false);
checker.needed_deps_["a$$CC.class"] = "b";
EXPECT_EQ(nullptr, checker.OutputEntry(/*compress=*/true));
EXPECT_TRUE(checker.error_);
}
static void TestMissedDefaultMethods() {
Java8DesugarDepsChecker checker([](const std::string &) { return true; },
/*verbose=*/false,
/*fail_on_error=*/false);
checker.has_default_methods_["b"] = true;
checker.extended_interfaces_["a"] = {"b", "a"};
checker.missing_interfaces_["a"] = "g";
EXPECT_EQ(nullptr, checker.OutputEntry(/*compress=*/true));
EXPECT_TRUE(checker.error_);
}
};
TEST_F(Java8DesugarDepsCheckerTest, HasDefaultMethods) {
TestHasDefaultMethods();
}
TEST_F(Java8DesugarDepsCheckerTest, OutputEntry) {
TestOutputEntry();
}
TEST_F(Java8DesugarDepsCheckerTest, NeededDepMissing) {
TestNeededDepMissing();
}
TEST_F(Java8DesugarDepsCheckerTest, MissingDefaultMethods) {
TestMissedDefaultMethods();
}
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