101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Test that the `JS::ubi::Node`s we create from
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// `mozilla::devtools::DeserializedNode` instances look and behave as we would
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// like.
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#include "DevTools.h"
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#include "js/TypeDecls.h"
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#include "mozilla/devtools/DeserializedNode.h"
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using testing::Field;
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using testing::ReturnRef;
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// A mock DeserializedNode for testing.
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struct MockDeserializedNode : public DeserializedNode
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{
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MockDeserializedNode(NodeId id, const char16_t* typeName, uint64_t size)
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: DeserializedNode(id, typeName, size)
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{ }
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bool addEdge(DeserializedEdge&& edge)
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{
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return edges.append(Move(edge));
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}
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MOCK_METHOD1(getEdgeReferent, JS::ubi::Node(const DeserializedEdge&));
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};
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size_t fakeMallocSizeOf(const void*) {
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EXPECT_TRUE(false);
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MOZ_ASSERT_UNREACHABLE("fakeMallocSizeOf should never be called because "
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"DeserializedNodes report the deserialized size.");
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return 0;
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}
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DEF_TEST(DeserializedNodeUbiNodes, {
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const char16_t* typeName = u"TestTypeName";
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const char* className = "MyObjectClassName";
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const char* filename = "my-cool-filename.js";
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NodeId id = uint64_t(1) << 33;
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uint64_t size = uint64_t(1) << 60;
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MockDeserializedNode mocked(id, typeName, size);
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mocked.coarseType = JS::ubi::CoarseType::Script;
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mocked.jsObjectClassName = className;
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mocked.scriptFilename = filename;
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DeserializedNode& deserialized = mocked;
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JS::ubi::Node ubi(&deserialized);
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// Test the ubi::Node accessors.
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EXPECT_EQ(size, ubi.size(fakeMallocSizeOf));
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EXPECT_EQ(typeName, ubi.typeName());
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EXPECT_EQ(JS::ubi::CoarseType::Script, ubi.coarseType());
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EXPECT_EQ(id, ubi.identifier());
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EXPECT_FALSE(ubi.isLive());
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EXPECT_EQ(ubi.jsObjectClassName(), className);
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EXPECT_EQ(ubi.scriptFilename(), filename);
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// Test the ubi::Node's edges.
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UniquePtr<DeserializedNode> referent1(new MockDeserializedNode(1,
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nullptr,
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10));
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DeserializedEdge edge1(referent1->id);
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mocked.addEdge(Move(edge1));
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EXPECT_CALL(mocked, getEdgeReferent(EdgeTo(referent1->id)))
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.Times(1)
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.WillOnce(Return(JS::ubi::Node(referent1.get())));
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UniquePtr<DeserializedNode> referent2(new MockDeserializedNode(2,
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nullptr,
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20));
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DeserializedEdge edge2(referent2->id);
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mocked.addEdge(Move(edge2));
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EXPECT_CALL(mocked, getEdgeReferent(EdgeTo(referent2->id)))
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.Times(1)
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.WillOnce(Return(JS::ubi::Node(referent2.get())));
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UniquePtr<DeserializedNode> referent3(new MockDeserializedNode(3,
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nullptr,
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30));
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DeserializedEdge edge3(referent3->id);
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mocked.addEdge(Move(edge3));
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EXPECT_CALL(mocked, getEdgeReferent(EdgeTo(referent3->id)))
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.Times(1)
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.WillOnce(Return(JS::ubi::Node(referent3.get())));
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auto range = ubi.edges(cx);
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ASSERT_TRUE(!!range);
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for ( ; !range->empty(); range->popFront()) {
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// Nothing to do here. This loop ensures that we get each edge referent
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// that we expect above.
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}
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});
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