88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
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/*
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* Copyright (C) 2015 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 "ValueVisitor.h"
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#include <string>
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#include "ResourceValues.h"
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#include "test/Test.h"
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#include "util/Util.h"
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namespace aapt {
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struct SingleReferenceVisitor : public ValueVisitor {
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using ValueVisitor::Visit;
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Reference* visited = nullptr;
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void Visit(Reference* ref) override { visited = ref; }
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};
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struct StyleVisitor : public ValueVisitor {
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using ValueVisitor::Visit;
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std::list<Reference*> visited_refs;
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Style* visited_style = nullptr;
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void Visit(Reference* ref) override { visited_refs.push_back(ref); }
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void Visit(Style* style) override {
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visited_style = style;
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ValueVisitor::Visit(style);
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}
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};
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TEST(ValueVisitorTest, VisitsReference) {
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Reference ref(ResourceName{"android", ResourceType::kAttr, "foo"});
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SingleReferenceVisitor visitor;
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ref.Accept(&visitor);
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EXPECT_EQ(visitor.visited, &ref);
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}
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TEST(ValueVisitorTest, VisitsReferencesInStyle) {
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std::unique_ptr<Style> style =
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test::StyleBuilder()
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.SetParent("android:style/foo")
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.AddItem("android:attr/one", test::BuildReference("android:id/foo"))
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.Build();
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StyleVisitor visitor;
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style->Accept(&visitor);
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ASSERT_EQ(style.get(), visitor.visited_style);
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// Entry attribute references, plus the parent reference, plus one value
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// reference.
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ASSERT_EQ(style->entries.size() + 2, visitor.visited_refs.size());
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}
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TEST(ValueVisitorTest, ValueCast) {
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std::unique_ptr<Reference> ref = test::BuildReference("android:color/white");
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EXPECT_NE(ValueCast<Reference>(ref.get()), nullptr);
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std::unique_ptr<Style> style =
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test::StyleBuilder()
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.AddItem("android:attr/foo",
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test::BuildReference("android:color/black"))
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.Build();
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EXPECT_NE(ValueCast<Style>(style.get()), nullptr);
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EXPECT_EQ(ValueCast<Reference>(style.get()), nullptr);
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}
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} // namespace aapt
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