crashpad/minidump/minidump_writable_test.cc
2014-08-12 10:26:40 -07:00

836 lines
25 KiB
C++

// Copyright 2014 The Crashpad 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 "minidump/minidump_writable.h"
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "gtest/gtest.h"
#include "util/file/string_file_writer.h"
namespace {
using namespace crashpad;
class BaseTestMinidumpWritable : public crashpad::internal::MinidumpWritable {
public:
BaseTestMinidumpWritable()
: MinidumpWritable(),
children_(),
expected_offset_(-1),
alignment_(0),
phase_(kPhaseEarly),
has_alignment_(false),
has_phase_(false),
verified_(false) {}
~BaseTestMinidumpWritable() { EXPECT_TRUE(verified_); }
void SetAlignment(size_t alignment) {
alignment_ = alignment;
has_alignment_ = true;
}
void AddChild(BaseTestMinidumpWritable* child) { children_.push_back(child); }
void SetPhaseLate() {
phase_ = kPhaseLate;
has_phase_ = true;
}
void Verify() {
verified_ = true;
EXPECT_EQ(kStateWritten, state());
for (BaseTestMinidumpWritable* child : children_) {
child->Verify();
}
}
protected:
virtual bool Freeze() override {
EXPECT_EQ(kStateMutable, state());
bool rv = MinidumpWritable::Freeze();
EXPECT_TRUE(rv);
EXPECT_EQ(kStateFrozen, state());
return rv;
}
virtual size_t Alignment() override {
EXPECT_GE(state(), kStateFrozen);
return has_alignment_ ? alignment_ : MinidumpWritable::Alignment();
}
virtual std::vector<MinidumpWritable*> Children() override {
EXPECT_GE(state(), kStateFrozen);
if (!children_.empty()) {
std::vector<MinidumpWritable*> children;
for (BaseTestMinidumpWritable* child : children_) {
children.push_back(child);
}
return children;
}
return MinidumpWritable::Children();
}
virtual Phase WritePhase() override {
return has_phase_ ? phase_ : MinidumpWritable::Phase();
}
virtual bool WillWriteAtOffsetImpl(off_t offset) override {
EXPECT_EQ(state(), kStateFrozen);
expected_offset_ = offset;
bool rv = MinidumpWritable::WillWriteAtOffsetImpl(offset);
EXPECT_TRUE(rv);
return rv;
}
virtual bool WriteObject(FileWriterInterface* file_writer) override {
EXPECT_EQ(state(), kStateWritable);
EXPECT_EQ(expected_offset_, file_writer->Seek(0, SEEK_CUR));
// Subclasses must override this.
return false;
}
private:
std::vector<BaseTestMinidumpWritable*> children_;
off_t expected_offset_;
size_t alignment_;
Phase phase_;
bool has_alignment_;
bool has_phase_;
bool verified_;
DISALLOW_COPY_AND_ASSIGN(BaseTestMinidumpWritable);
};
class TestStringMinidumpWritable final : public BaseTestMinidumpWritable {
public:
TestStringMinidumpWritable() : BaseTestMinidumpWritable(), data_() {}
~TestStringMinidumpWritable() {}
void SetData(const std::string& string) { data_ = string; }
protected:
virtual size_t SizeOfObject() override {
EXPECT_GE(state(), kStateFrozen);
return data_.size();
}
virtual bool WriteObject(FileWriterInterface* file_writer) override {
BaseTestMinidumpWritable::WriteObject(file_writer);
bool rv = file_writer->Write(&data_[0], data_.size());
EXPECT_TRUE(rv);
return rv;
}
private:
std::string data_;
DISALLOW_COPY_AND_ASSIGN(TestStringMinidumpWritable);
};
TEST(MinidumpWritable, MinidumpWritable) {
StringFileWriter writer;
{
SCOPED_TRACE("empty");
writer.Reset();
TestStringMinidumpWritable string_writable;
EXPECT_TRUE(string_writable.WriteEverything(&writer));
EXPECT_TRUE(writer.string().empty());
string_writable.Verify();
}
{
SCOPED_TRACE("childless");
writer.Reset();
TestStringMinidumpWritable string_writable;
string_writable.SetData("a");
EXPECT_TRUE(string_writable.WriteEverything(&writer));
EXPECT_EQ(1u, writer.string().size());
EXPECT_EQ("a", writer.string());
string_writable.Verify();
}
{
SCOPED_TRACE("parent-child");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("b");
TestStringMinidumpWritable child;
child.SetData("c");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(5u, writer.string().size());
EXPECT_EQ(std::string("b\0\0\0c", 5), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("base alignment 2");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("de");
TestStringMinidumpWritable child;
child.SetData("f");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(5u, writer.string().size());
EXPECT_EQ(std::string("de\0\0f", 5), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("base alignment 3");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("ghi");
TestStringMinidumpWritable child;
child.SetData("j");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(5u, writer.string().size());
EXPECT_EQ(std::string("ghi\0j", 5), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("base alignment 4");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("klmn");
TestStringMinidumpWritable child;
child.SetData("o");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(5u, writer.string().size());
EXPECT_EQ("klmno", writer.string());
parent.Verify();
}
{
SCOPED_TRACE("base alignment 5");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("pqrst");
TestStringMinidumpWritable child;
child.SetData("u");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(9u, writer.string().size());
EXPECT_EQ(std::string("pqrst\0\0\0u", 9), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("two children");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child_0;
child_0.SetData("child_0");
parent.AddChild(&child_0);
TestStringMinidumpWritable child_1;
child_1.SetData("child_1");
parent.AddChild(&child_1);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(23u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0child_0\0child_1", 23), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child;
child.SetData("child");
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
grandchild.SetData("grandchild");
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(26u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0child\0\0\0grandchild", 26),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild with empty parent");
writer.Reset();
TestStringMinidumpWritable parent;
TestStringMinidumpWritable child;
child.SetData("child");
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
grandchild.SetData("grandchild");
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(18u, writer.string().size());
EXPECT_EQ(std::string("child\0\0\0grandchild", 18), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild with empty child");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child;
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
grandchild.SetData("grandchild");
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(18u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0grandchild", 18), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild with empty grandchild");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child;
child.SetData("child");
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(13u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0child", 13), writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild with late-phase grandchild");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child;
child.SetData("child");
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
grandchild.SetData("grandchild");
grandchild.SetPhaseLate();
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(26u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0child\0\0\0grandchild", 26),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("grandchild with late-phase child");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("parent");
TestStringMinidumpWritable child;
child.SetData("child");
child.SetPhaseLate();
parent.AddChild(&child);
TestStringMinidumpWritable grandchild;
grandchild.SetData("grandchild");
child.AddChild(&grandchild);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(25u, writer.string().size());
EXPECT_EQ(std::string("parent\0\0grandchild\0\0child", 25),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("family tree");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("P..");
TestStringMinidumpWritable child_0;
child_0.SetData("C0.");
parent.AddChild(&child_0);
TestStringMinidumpWritable child_1;
child_1.SetData("C1.");
parent.AddChild(&child_1);
TestStringMinidumpWritable grandchild_00;
grandchild_00.SetData("G00");
child_0.AddChild(&grandchild_00);
TestStringMinidumpWritable grandchild_01;
grandchild_01.SetData("G01");
child_0.AddChild(&grandchild_01);
TestStringMinidumpWritable grandchild_10;
grandchild_10.SetData("G10");
child_1.AddChild(&grandchild_10);
TestStringMinidumpWritable grandchild_11;
grandchild_11.SetData("G11");
child_1.AddChild(&grandchild_11);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(27u, writer.string().size());
EXPECT_EQ(std::string("P..\0C0.\0G00\0G01\0C1.\0G10\0G11", 27),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("family tree with C0 late");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("P..");
TestStringMinidumpWritable child_0;
child_0.SetData("C0.");
child_0.SetPhaseLate();
parent.AddChild(&child_0);
TestStringMinidumpWritable child_1;
child_1.SetData("C1.");
parent.AddChild(&child_1);
TestStringMinidumpWritable grandchild_00;
grandchild_00.SetData("G00");
child_0.AddChild(&grandchild_00);
TestStringMinidumpWritable grandchild_01;
grandchild_01.SetData("G01");
child_0.AddChild(&grandchild_01);
TestStringMinidumpWritable grandchild_10;
grandchild_10.SetData("G10");
child_1.AddChild(&grandchild_10);
TestStringMinidumpWritable grandchild_11;
grandchild_11.SetData("G11");
child_1.AddChild(&grandchild_11);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(27u, writer.string().size());
EXPECT_EQ(std::string("P..\0G00\0G01\0C1.\0G10\0G11\0C0.", 27),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("family tree with G0 late");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("P..");
TestStringMinidumpWritable child_0;
child_0.SetData("C0.");
parent.AddChild(&child_0);
TestStringMinidumpWritable child_1;
child_1.SetData("C1.");
parent.AddChild(&child_1);
TestStringMinidumpWritable grandchild_00;
grandchild_00.SetData("G00");
grandchild_00.SetPhaseLate();
child_0.AddChild(&grandchild_00);
TestStringMinidumpWritable grandchild_01;
grandchild_01.SetData("G01");
grandchild_01.SetPhaseLate();
child_0.AddChild(&grandchild_01);
TestStringMinidumpWritable grandchild_10;
grandchild_10.SetData("G10");
child_1.AddChild(&grandchild_10);
TestStringMinidumpWritable grandchild_11;
grandchild_11.SetData("G11");
child_1.AddChild(&grandchild_11);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(27u, writer.string().size());
EXPECT_EQ(std::string("P..\0C0.\0C1.\0G10\0G11\0G00\0G01", 27),
writer.string());
parent.Verify();
}
{
SCOPED_TRACE("align 1");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("p");
TestStringMinidumpWritable child;
child.SetData("c");
child.SetAlignment(1);
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(2u, writer.string().size());
EXPECT_EQ("pc", writer.string());
parent.Verify();
}
{
SCOPED_TRACE("align 2");
writer.Reset();
TestStringMinidumpWritable parent;
parent.SetData("p");
TestStringMinidumpWritable child;
child.SetData("c");
child.SetAlignment(2);
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
EXPECT_EQ(3u, writer.string().size());
EXPECT_EQ(std::string("p\0c", 3), writer.string());
parent.Verify();
}
}
class TestRVAMinidumpWritable final : public BaseTestMinidumpWritable {
public:
TestRVAMinidumpWritable() : BaseTestMinidumpWritable(), rva_() {}
~TestRVAMinidumpWritable() {}
void SetRVA(MinidumpWritable* other) { other->RegisterRVA(&rva_); }
protected:
virtual size_t SizeOfObject() override {
EXPECT_GE(state(), kStateFrozen);
return sizeof(rva_);
}
virtual bool WriteObject(FileWriterInterface* file_writer) override {
BaseTestMinidumpWritable::WriteObject(file_writer);
EXPECT_TRUE(file_writer->Write(&rva_, sizeof(rva_)));
return true;
}
private:
RVA rva_;
DISALLOW_COPY_AND_ASSIGN(TestRVAMinidumpWritable);
};
RVA RVAAtIndex(const std::string& string, size_t index) {
return *reinterpret_cast<const RVA*>(&string[index * sizeof(RVA)]);
}
TEST(MinidumpWritable, RVA) {
StringFileWriter writer;
{
SCOPED_TRACE("unset");
writer.Reset();
TestRVAMinidumpWritable rva_writable;
EXPECT_TRUE(rva_writable.WriteEverything(&writer));
ASSERT_EQ(sizeof(RVA), writer.string().size());
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
rva_writable.Verify();
}
{
SCOPED_TRACE("self");
writer.Reset();
TestRVAMinidumpWritable rva_writable;
rva_writable.SetRVA(&rva_writable);
EXPECT_TRUE(rva_writable.WriteEverything(&writer));
ASSERT_EQ(sizeof(RVA), writer.string().size());
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
rva_writable.Verify();
}
{
SCOPED_TRACE("parent-child self");
writer.Reset();
TestRVAMinidumpWritable parent;
parent.SetRVA(&parent);
TestRVAMinidumpWritable child;
child.SetRVA(&child);
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(2 * sizeof(RVA), writer.string().size());
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 1));
parent.Verify();
}
{
SCOPED_TRACE("parent-child only");
writer.Reset();
TestRVAMinidumpWritable parent;
TestRVAMinidumpWritable child;
parent.SetRVA(&child);
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(2 * sizeof(RVA), writer.string().size());
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 1));
parent.Verify();
}
{
SCOPED_TRACE("parent-child circular");
writer.Reset();
TestRVAMinidumpWritable parent;
TestRVAMinidumpWritable child;
parent.SetRVA(&child);
child.SetRVA(&parent);
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(2 * sizeof(RVA), writer.string().size());
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 1));
parent.Verify();
}
{
SCOPED_TRACE("grandchildren");
writer.Reset();
TestRVAMinidumpWritable parent;
TestRVAMinidumpWritable child;
parent.SetRVA(&child);
parent.AddChild(&child);
TestRVAMinidumpWritable grandchild_0;
grandchild_0.SetRVA(&child);
child.AddChild(&grandchild_0);
TestRVAMinidumpWritable grandchild_1;
grandchild_1.SetRVA(&child);
child.AddChild(&grandchild_1);
TestRVAMinidumpWritable grandchild_2;
grandchild_2.SetRVA(&child);
child.AddChild(&grandchild_2);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(5 * sizeof(RVA), writer.string().size());
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 0));
EXPECT_EQ(0 * sizeof(RVA), RVAAtIndex(writer.string(), 1));
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 2));
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 3));
EXPECT_EQ(1 * sizeof(RVA), RVAAtIndex(writer.string(), 4));
parent.Verify();
}
}
class TestLocationDescriptorMinidumpWritable final
: public BaseTestMinidumpWritable {
public:
TestLocationDescriptorMinidumpWritable()
: BaseTestMinidumpWritable(), location_descriptor_(), string_() {}
~TestLocationDescriptorMinidumpWritable() {}
void SetLocationDescriptor(MinidumpWritable* other) {
other->RegisterLocationDescriptor(&location_descriptor_);
}
void SetString(const std::string& string) { string_ = string; }
protected:
virtual size_t SizeOfObject() override {
EXPECT_GE(state(), kStateFrozen);
// NUL-terminate.
return sizeof(location_descriptor_) + string_.size() + 1;
}
virtual bool WriteObject(FileWriterInterface* file_writer) override {
BaseTestMinidumpWritable::WriteObject(file_writer);
WritableIoVec iov;
iov.iov_base = &location_descriptor_;
iov.iov_len = sizeof(location_descriptor_);
std::vector<WritableIoVec> iovecs(1, iov);
// NUL-terminate.
iov.iov_base = &string_[0];
iov.iov_len = string_.size() + 1;
iovecs.push_back(iov);
EXPECT_TRUE(file_writer->WriteIoVec(&iovecs));
return true;
}
private:
MINIDUMP_LOCATION_DESCRIPTOR location_descriptor_;
std::string string_;
DISALLOW_COPY_AND_ASSIGN(TestLocationDescriptorMinidumpWritable);
};
struct LocationDescriptorAndData {
MINIDUMP_LOCATION_DESCRIPTOR location_descriptor;
char string[1];
};
const LocationDescriptorAndData* LDDAtIndex(const std::string& string,
size_t index) {
return reinterpret_cast<const LocationDescriptorAndData*>(&string[index]);
}
TEST(MinidumpWritable, LocationDescriptor) {
StringFileWriter writer;
{
SCOPED_TRACE("unset");
writer.Reset();
TestLocationDescriptorMinidumpWritable location_descriptor_writable;
EXPECT_TRUE(location_descriptor_writable.WriteEverything(&writer));
ASSERT_EQ(9u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(0u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
location_descriptor_writable.Verify();
}
{
SCOPED_TRACE("self");
writer.Reset();
TestLocationDescriptorMinidumpWritable location_descriptor_writable;
location_descriptor_writable.SetLocationDescriptor(
&location_descriptor_writable);
EXPECT_TRUE(location_descriptor_writable.WriteEverything(&writer));
ASSERT_EQ(9u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(9u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
location_descriptor_writable.Verify();
}
{
SCOPED_TRACE("self with data");
writer.Reset();
TestLocationDescriptorMinidumpWritable location_descriptor_writable;
location_descriptor_writable.SetLocationDescriptor(
&location_descriptor_writable);
location_descriptor_writable.SetString("zz");
EXPECT_TRUE(location_descriptor_writable.WriteEverything(&writer));
ASSERT_EQ(11u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(11u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
EXPECT_STREQ("zz", ldd->string);
location_descriptor_writable.Verify();
}
{
SCOPED_TRACE("parent-child self");
writer.Reset();
TestLocationDescriptorMinidumpWritable parent;
parent.SetLocationDescriptor(&parent);
parent.SetString("yy");
TestLocationDescriptorMinidumpWritable child;
child.SetLocationDescriptor(&child);
child.SetString("x");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(22u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(11u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
EXPECT_STREQ("yy", ldd->string);
ldd = LDDAtIndex(writer.string(), 12);
EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("x", ldd->string);
parent.Verify();
}
{
SCOPED_TRACE("parent-child only");
writer.Reset();
TestLocationDescriptorMinidumpWritable parent;
TestLocationDescriptorMinidumpWritable child;
parent.SetLocationDescriptor(&child);
parent.SetString("www");
child.SetString("vv");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(23u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(11u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("www", ldd->string);
ldd = LDDAtIndex(writer.string(), 12);
EXPECT_EQ(0u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
EXPECT_STREQ("vv", ldd->string);
parent.Verify();
}
{
SCOPED_TRACE("parent-child circular");
writer.Reset();
TestLocationDescriptorMinidumpWritable parent;
TestLocationDescriptorMinidumpWritable child;
parent.SetLocationDescriptor(&child);
parent.SetString("uuuu");
child.SetLocationDescriptor(&parent);
child.SetString("tttt");
parent.AddChild(&child);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(29u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(13u, ldd->location_descriptor.DataSize);
EXPECT_EQ(16u, ldd->location_descriptor.Rva);
EXPECT_STREQ("uuuu", ldd->string);
ldd = LDDAtIndex(writer.string(), 16);
EXPECT_EQ(13u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
EXPECT_STREQ("tttt", ldd->string);
parent.Verify();
}
{
SCOPED_TRACE("grandchildren");
writer.Reset();
TestLocationDescriptorMinidumpWritable parent;
TestLocationDescriptorMinidumpWritable child;
parent.SetLocationDescriptor(&child);
parent.SetString("s");
parent.AddChild(&child);
child.SetString("r");
TestLocationDescriptorMinidumpWritable grandchild_0;
grandchild_0.SetLocationDescriptor(&child);
grandchild_0.SetString("q");
child.AddChild(&grandchild_0);
TestLocationDescriptorMinidumpWritable grandchild_1;
grandchild_1.SetLocationDescriptor(&child);
grandchild_1.SetString("p");
child.AddChild(&grandchild_1);
TestLocationDescriptorMinidumpWritable grandchild_2;
grandchild_2.SetLocationDescriptor(&child);
grandchild_2.SetString("o");
child.AddChild(&grandchild_2);
EXPECT_TRUE(parent.WriteEverything(&writer));
ASSERT_EQ(58u, writer.string().size());
const LocationDescriptorAndData* ldd = LDDAtIndex(writer.string(), 0);
EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("s", ldd->string);
ldd = LDDAtIndex(writer.string(), 12);
EXPECT_EQ(0u, ldd->location_descriptor.DataSize);
EXPECT_EQ(0u, ldd->location_descriptor.Rva);
EXPECT_STREQ("r", ldd->string);
ldd = LDDAtIndex(writer.string(), 24);
EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("q", ldd->string);
ldd = LDDAtIndex(writer.string(), 36);
EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("p", ldd->string);
ldd = LDDAtIndex(writer.string(), 48);
EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
EXPECT_EQ(12u, ldd->location_descriptor.Rva);
EXPECT_STREQ("o", ldd->string);
parent.Verify();
}
}
} // namespace