235 lines
8.9 KiB
C++
235 lines
8.9 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "linkerconfig/section.h"
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#include <android-base/result.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "linkerconfig/apex.h"
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#include "linkerconfig/basecontext.h"
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#include "linkerconfig/configwriter.h"
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#include "modules_testbase.h"
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using namespace android::linkerconfig::modules;
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constexpr const char* kSectionWithNamespacesExpectedResult =
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R"([test_section]
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additional.namespaces = namespace1,namespace2
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namespace.default.isolated = true
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namespace.default.visible = true
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namespace.default.search.paths = /search_path1
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namespace.default.search.paths += /apex/search_path2
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namespace.default.permitted.paths = /permitted_path1
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namespace.default.permitted.paths += /apex/permitted_path2
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namespace.default.asan.search.paths = /data/asan/search_path1
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namespace.default.asan.search.paths += /search_path1
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namespace.default.asan.search.paths += /apex/search_path2
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namespace.default.asan.permitted.paths = /data/asan/permitted_path1
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namespace.default.asan.permitted.paths += /permitted_path1
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namespace.default.asan.permitted.paths += /apex/permitted_path2
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namespace.default.links = namespace1,namespace2
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namespace.default.link.namespace1.shared_libs = lib1.so
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namespace.default.link.namespace1.shared_libs += lib2.so
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namespace.default.link.namespace1.shared_libs += lib3.so
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namespace.default.link.namespace2.allow_all_shared_libs = true
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namespace.namespace1.isolated = false
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namespace.namespace1.search.paths = /search_path1
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namespace.namespace1.search.paths += /apex/search_path2
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namespace.namespace1.permitted.paths = /permitted_path1
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namespace.namespace1.permitted.paths += /apex/permitted_path2
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namespace.namespace1.asan.search.paths = /data/asan/search_path1
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namespace.namespace1.asan.search.paths += /search_path1
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namespace.namespace1.asan.search.paths += /apex/search_path2
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namespace.namespace1.asan.permitted.paths = /data/asan/permitted_path1
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namespace.namespace1.asan.permitted.paths += /permitted_path1
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namespace.namespace1.asan.permitted.paths += /apex/permitted_path2
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namespace.namespace1.links = default,namespace2
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namespace.namespace1.link.default.shared_libs = lib1.so
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namespace.namespace1.link.default.shared_libs += lib2.so
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namespace.namespace1.link.default.shared_libs += lib3.so
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namespace.namespace1.link.namespace2.allow_all_shared_libs = true
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namespace.namespace2.isolated = false
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namespace.namespace2.search.paths = /search_path1
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namespace.namespace2.search.paths += /apex/search_path2
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namespace.namespace2.permitted.paths = /permitted_path1
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namespace.namespace2.permitted.paths += /apex/permitted_path2
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namespace.namespace2.asan.search.paths = /data/asan/search_path1
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namespace.namespace2.asan.search.paths += /search_path1
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namespace.namespace2.asan.search.paths += /apex/search_path2
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namespace.namespace2.asan.permitted.paths = /data/asan/permitted_path1
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namespace.namespace2.asan.permitted.paths += /permitted_path1
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namespace.namespace2.asan.permitted.paths += /apex/permitted_path2
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)";
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constexpr const char* kSectionWithOneNamespaceExpectedResult =
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R"([test_section]
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namespace.default.isolated = false
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namespace.default.search.paths = /search_path1
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namespace.default.search.paths += /apex/search_path2
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namespace.default.permitted.paths = /permitted_path1
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namespace.default.permitted.paths += /apex/permitted_path2
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namespace.default.asan.search.paths = /data/asan/search_path1
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namespace.default.asan.search.paths += /search_path1
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namespace.default.asan.search.paths += /apex/search_path2
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namespace.default.asan.permitted.paths = /data/asan/permitted_path1
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namespace.default.asan.permitted.paths += /permitted_path1
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namespace.default.asan.permitted.paths += /apex/permitted_path2
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)";
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TEST(linkerconfig_section, section_with_namespaces) {
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ConfigWriter writer;
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std::vector<Namespace> namespaces;
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namespaces.emplace_back(CreateNamespaceWithLinks(
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"default", true, true, "namespace1", "namespace2"));
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namespaces.emplace_back(CreateNamespaceWithLinks(
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"namespace1", false, false, "default", "namespace2"));
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namespaces.emplace_back(CreateNamespaceWithPaths("namespace2", false, false));
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Section section("test_section", std::move(namespaces));
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section.WriteConfig(writer);
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auto config = writer.ToString();
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ASSERT_EQ(kSectionWithNamespacesExpectedResult, config);
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}
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TEST(linkerconfig_section, section_with_one_namespace) {
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android::linkerconfig::modules::ConfigWriter writer;
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std::vector<Namespace> namespaces;
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namespaces.emplace_back(CreateNamespaceWithPaths("default", false, false));
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Section section("test_section", std::move(namespaces));
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section.WriteConfig(writer);
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auto config = writer.ToString();
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ASSERT_EQ(kSectionWithOneNamespaceExpectedResult, config);
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}
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TEST(linkerconfig_section, resolve_contraints) {
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BaseContext ctx;
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std::vector<Namespace> namespaces;
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Namespace& foo = namespaces.emplace_back("foo");
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foo.AddProvides(std::vector{"libfoo.so"});
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foo.AddRequires(std::vector{"libbar.so"});
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Namespace& bar = namespaces.emplace_back("bar");
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bar.AddProvides(std::vector{"libbar.so"});
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Namespace& baz = namespaces.emplace_back("baz");
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baz.AddRequires(std::vector{"libfoo.so"});
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Section section("section", std::move(namespaces));
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section.Resolve(ctx);
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ConfigWriter writer;
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section.WriteConfig(writer);
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ASSERT_EQ(
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"[section]\n"
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"additional.namespaces = bar,baz,foo\n"
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"namespace.bar.isolated = false\n"
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"namespace.baz.isolated = false\n"
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"namespace.baz.links = foo\n"
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"namespace.baz.link.foo.shared_libs = libfoo.so\n"
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"namespace.foo.isolated = false\n"
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"namespace.foo.links = bar\n"
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"namespace.foo.link.bar.shared_libs = libbar.so\n",
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writer.ToString());
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}
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TEST(linkerconfig_section, error_if_duplicate_providing) {
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BaseContext ctx;
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std::vector<Namespace> namespaces;
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Namespace& foo1 = namespaces.emplace_back("foo1");
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foo1.AddProvides(std::vector{"libfoo.so"});
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Namespace& foo2 = namespaces.emplace_back("foo2");
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foo2.AddProvides(std::vector{"libfoo.so"});
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Namespace& bar = namespaces.emplace_back("bar");
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bar.AddRequires(std::vector{"libfoo.so"});
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Section section("section", std::move(namespaces));
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auto result = section.Resolve(ctx);
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ASSERT_EQ("duplicate: libfoo.so is provided by foo1 and foo2 in [section]",
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result.error().message());
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}
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TEST(linkerconfig_section, error_if_no_providers_in_strict_mode) {
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BaseContext ctx;
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ctx.SetStrictMode(true);
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std::vector<Namespace> namespaces;
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Namespace& foo = namespaces.emplace_back("foo");
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foo.AddRequires(std::vector{"libfoo.so"});
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Section section("section", std::move(namespaces));
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auto result = section.Resolve(ctx);
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ASSERT_EQ("not found: libfoo.so is required by foo in [section]",
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result.error().message());
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}
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TEST(linkerconfig_section, ignore_unmet_requirements) {
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BaseContext ctx;
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ctx.SetStrictMode(false); // default
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std::vector<Namespace> namespaces;
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Namespace& foo = namespaces.emplace_back("foo");
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foo.AddRequires(std::vector{"libfoo.so"});
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Section section("section", std::move(namespaces));
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auto result = section.Resolve(ctx);
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ASSERT_RESULT_OK(result);
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ConfigWriter writer;
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section.WriteConfig(writer);
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ASSERT_EQ(
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"[section]\n"
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"namespace.foo.isolated = false\n",
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writer.ToString());
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}
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TEST(linkerconfig_section, resolve_section_with_apex) {
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BaseContext ctx;
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ctx.AddApexModule(ApexInfo(
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"foo", "", {"a.so"}, {"b.so"}, {}, {}, {}, true, true, false, false));
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ctx.AddApexModule(
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ApexInfo("bar", "", {"b.so"}, {}, {}, {}, {}, true, true, false, false));
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ctx.AddApexModule(ApexInfo(
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"baz", "", {"c.so"}, {"a.so"}, {}, {}, {}, true, true, false, false));
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std::vector<Namespace> namespaces;
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Namespace& default_ns = namespaces.emplace_back("default");
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default_ns.AddRequires(std::vector{"a.so", "b.so"});
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Section section("section", std::move(namespaces));
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auto result = section.Resolve(ctx);
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EXPECT_RESULT_OK(result);
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EXPECT_THAT(
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std::vector<std::string>{"a.so"},
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::testing::ContainerEq(
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section.GetNamespace("default")->GetLink("foo").GetSharedLibs()));
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EXPECT_THAT(
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std::vector<std::string>{"b.so"},
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::testing::ContainerEq(
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section.GetNamespace("default")->GetLink("bar").GetSharedLibs()));
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EXPECT_THAT(std::vector<std::string>{"b.so"},
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::testing::ContainerEq(
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section.GetNamespace("foo")->GetLink("bar").GetSharedLibs()));
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EXPECT_EQ(nullptr, section.GetNamespace("baz"));
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}
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