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encoding-test.c++
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encoding-test.c++
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// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
// Licensed under the MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include <capnp/test-import.capnp.h>
#include <capnp/test-import2.capnp.h>
#include "message.h"
#include <kj/debug.h>
#include <kj/compat/gtest.h>
#include "test-util.h"
#include "schema-lite.h"
namespace capnp {
namespace _ { // private
namespace {
TEST(Encoding, AllTypes) {
MallocMessageBuilder builder;
initTestMessage(builder.initRoot<TestAllTypes>());
checkTestMessage(builder.getRoot<TestAllTypes>());
checkTestMessage(builder.getRoot<TestAllTypes>().asReader());
SegmentArrayMessageReader reader(builder.getSegmentsForOutput());
checkTestMessage(reader.getRoot<TestAllTypes>());
ASSERT_EQ(1u, builder.getSegmentsForOutput().size());
checkTestMessage(readMessageUnchecked<TestAllTypes>(builder.getSegmentsForOutput()[0].begin()));
EXPECT_EQ(builder.getSegmentsForOutput()[0].size() - 1, // -1 for root pointer
reader.getRoot<TestAllTypes>().totalSize().wordCount);
}
TEST(Encoding, AllTypesMultiSegment) {
MallocMessageBuilder builder(0, AllocationStrategy::FIXED_SIZE);
initTestMessage(builder.initRoot<TestAllTypes>());
checkTestMessage(builder.getRoot<TestAllTypes>());
checkTestMessage(builder.getRoot<TestAllTypes>().asReader());
SegmentArrayMessageReader reader(builder.getSegmentsForOutput());
checkTestMessage(reader.getRoot<TestAllTypes>());
}
TEST(Encoding, Defaults) {
AlignedData<1> nullRoot = {{0, 0, 0, 0, 0, 0, 0, 0}};
kj::ArrayPtr<const word> segments[1] = {kj::arrayPtr(nullRoot.words, 1)};
SegmentArrayMessageReader reader(kj::arrayPtr(segments, 1));
checkTestMessage(reader.getRoot<TestDefaults>());
checkTestMessage(readMessageUnchecked<TestDefaults>(nullRoot.words));
checkTestMessage(TestDefaults::Reader());
}
TEST(Encoding, DefaultInitialization) {
MallocMessageBuilder builder;
checkTestMessage(builder.getRoot<TestDefaults>()); // first pass initializes to defaults
checkTestMessage(builder.getRoot<TestDefaults>().asReader());
checkTestMessage(builder.getRoot<TestDefaults>()); // second pass just reads the initialized structure
checkTestMessage(builder.getRoot<TestDefaults>().asReader());
SegmentArrayMessageReader reader(builder.getSegmentsForOutput());
checkTestMessage(reader.getRoot<TestDefaults>());
}
TEST(Encoding, DefaultInitializationMultiSegment) {
MallocMessageBuilder builder(0, AllocationStrategy::FIXED_SIZE);
// first pass initializes to defaults
checkTestMessage(builder.getRoot<TestDefaults>());
checkTestMessage(builder.getRoot<TestDefaults>().asReader());
// second pass just reads the initialized structure
checkTestMessage(builder.getRoot<TestDefaults>());
checkTestMessage(builder.getRoot<TestDefaults>().asReader());
SegmentArrayMessageReader reader(builder.getSegmentsForOutput());
checkTestMessage(reader.getRoot<TestDefaults>());
}
TEST(Encoding, DefaultsFromEmptyMessage) {
AlignedData<1> emptyMessage = {{0, 0, 0, 0, 0, 0, 0, 0}};
kj::ArrayPtr<const word> segments[1] = {kj::arrayPtr(emptyMessage.words, 1)};
SegmentArrayMessageReader reader(kj::arrayPtr(segments, 1));
checkTestMessage(reader.getRoot<TestDefaults>());
checkTestMessage(readMessageUnchecked<TestDefaults>(emptyMessage.words));
}
TEST(Encoding, Unions) {
MallocMessageBuilder builder;
TestUnion::Builder root = builder.getRoot<TestUnion>();
EXPECT_EQ(TestUnion::Union0::U0F0S0, root.getUnion0().which());
EXPECT_EQ(VOID, root.getUnion0().getU0f0s0());
EXPECT_DEBUG_ANY_THROW(root.getUnion0().getU0f0s1());
root.getUnion0().setU0f0s1(true);
EXPECT_EQ(TestUnion::Union0::U0F0S1, root.getUnion0().which());
EXPECT_TRUE(root.getUnion0().getU0f0s1());
EXPECT_DEBUG_ANY_THROW(root.getUnion0().getU0f0s0());
root.getUnion0().setU0f0s8(123);
EXPECT_EQ(TestUnion::Union0::U0F0S8, root.getUnion0().which());
EXPECT_EQ(123, root.getUnion0().getU0f0s8());
EXPECT_DEBUG_ANY_THROW(root.getUnion0().getU0f0s1());
}
struct UnionState {
uint discriminants[4];
int dataOffset;
UnionState(std::initializer_list<uint> discriminants, int dataOffset)
: dataOffset(dataOffset) {
memcpy(this->discriminants, discriminants.begin(), sizeof(this->discriminants));
}
bool operator==(const UnionState& other) const {
for (uint i = 0; i < 4; i++) {
if (discriminants[i] != other.discriminants[i]) {
return false;
}
}
return dataOffset == other.dataOffset;
}
};
kj::String KJ_STRINGIFY(const UnionState& us) {
return kj::str("UnionState({", kj::strArray(us.discriminants, ", "), "}, ", us.dataOffset, ")");
}
template <typename StructType, typename Func>
UnionState initUnion(Func&& initializer) {
// Use the given setter to initialize the given union field and then return a struct indicating
// the location of the data that was written as well as the values of the four union
// discriminants.
MallocMessageBuilder builder;
initializer(builder.getRoot<StructType>());
kj::ArrayPtr<const word> segment = builder.getSegmentsForOutput()[0];
KJ_ASSERT(segment.size() > 2, segment.size());
// Find the offset of the first set bit after the union discriminants.
int offset = 0;
for (const uint8_t* p = reinterpret_cast<const uint8_t*>(segment.begin() + 2);
p < reinterpret_cast<const uint8_t*>(segment.end()); p++) {
if (*p != 0) {
uint8_t bits = *p;
while ((bits & 1) == 0) {
++offset;
bits >>= 1;
}
goto found;
}
offset += 8;
}
offset = -1;
found:
const uint8_t* discriminants = reinterpret_cast<const uint8_t*>(segment.begin() + 1);
return UnionState({discriminants[0], discriminants[2], discriminants[4], discriminants[6]},
offset);
}
TEST(Encoding, UnionLayout) {
#define INIT_UNION(setter) \
initUnion<TestUnion>([](TestUnion::Builder b) {b.setter;})
EXPECT_EQ(UnionState({ 0,0,0,0}, -1), INIT_UNION(getUnion0().setU0f0s0(VOID)));
EXPECT_EQ(UnionState({ 1,0,0,0}, 0), INIT_UNION(getUnion0().setU0f0s1(1)));
EXPECT_EQ(UnionState({ 2,0,0,0}, 0), INIT_UNION(getUnion0().setU0f0s8(1)));
EXPECT_EQ(UnionState({ 3,0,0,0}, 0), INIT_UNION(getUnion0().setU0f0s16(1)));
EXPECT_EQ(UnionState({ 4,0,0,0}, 0), INIT_UNION(getUnion0().setU0f0s32(1)));
EXPECT_EQ(UnionState({ 5,0,0,0}, 0), INIT_UNION(getUnion0().setU0f0s64(1)));
EXPECT_EQ(UnionState({ 6,0,0,0}, 448), INIT_UNION(getUnion0().setU0f0sp("1")));
EXPECT_EQ(UnionState({ 7,0,0,0}, -1), INIT_UNION(getUnion0().setU0f1s0(VOID)));
EXPECT_EQ(UnionState({ 8,0,0,0}, 0), INIT_UNION(getUnion0().setU0f1s1(1)));
EXPECT_EQ(UnionState({ 9,0,0,0}, 0), INIT_UNION(getUnion0().setU0f1s8(1)));
EXPECT_EQ(UnionState({10,0,0,0}, 0), INIT_UNION(getUnion0().setU0f1s16(1)));
EXPECT_EQ(UnionState({11,0,0,0}, 0), INIT_UNION(getUnion0().setU0f1s32(1)));
EXPECT_EQ(UnionState({12,0,0,0}, 0), INIT_UNION(getUnion0().setU0f1s64(1)));
EXPECT_EQ(UnionState({13,0,0,0}, 448), INIT_UNION(getUnion0().setU0f1sp("1")));
EXPECT_EQ(UnionState({0, 0,0,0}, -1), INIT_UNION(getUnion1().setU1f0s0(VOID)));
EXPECT_EQ(UnionState({0, 1,0,0}, 65), INIT_UNION(getUnion1().setU1f0s1(1)));
EXPECT_EQ(UnionState({0, 2,0,0}, 65), INIT_UNION(getUnion1().setU1f1s1(1)));
EXPECT_EQ(UnionState({0, 3,0,0}, 72), INIT_UNION(getUnion1().setU1f0s8(1)));
EXPECT_EQ(UnionState({0, 4,0,0}, 72), INIT_UNION(getUnion1().setU1f1s8(1)));
EXPECT_EQ(UnionState({0, 5,0,0}, 80), INIT_UNION(getUnion1().setU1f0s16(1)));
EXPECT_EQ(UnionState({0, 6,0,0}, 80), INIT_UNION(getUnion1().setU1f1s16(1)));
EXPECT_EQ(UnionState({0, 7,0,0}, 96), INIT_UNION(getUnion1().setU1f0s32(1)));
EXPECT_EQ(UnionState({0, 8,0,0}, 96), INIT_UNION(getUnion1().setU1f1s32(1)));
EXPECT_EQ(UnionState({0, 9,0,0}, 128), INIT_UNION(getUnion1().setU1f0s64(1)));
EXPECT_EQ(UnionState({0,10,0,0}, 128), INIT_UNION(getUnion1().setU1f1s64(1)));
EXPECT_EQ(UnionState({0,11,0,0}, 512), INIT_UNION(getUnion1().setU1f0sp("1")));
EXPECT_EQ(UnionState({0,12,0,0}, 512), INIT_UNION(getUnion1().setU1f1sp("1")));
EXPECT_EQ(UnionState({0,13,0,0}, -1), INIT_UNION(getUnion1().setU1f2s0(VOID)));
EXPECT_EQ(UnionState({0,14,0,0}, 65), INIT_UNION(getUnion1().setU1f2s1(1)));
EXPECT_EQ(UnionState({0,15,0,0}, 72), INIT_UNION(getUnion1().setU1f2s8(1)));
EXPECT_EQ(UnionState({0,16,0,0}, 80), INIT_UNION(getUnion1().setU1f2s16(1)));
EXPECT_EQ(UnionState({0,17,0,0}, 96), INIT_UNION(getUnion1().setU1f2s32(1)));
EXPECT_EQ(UnionState({0,18,0,0}, 128), INIT_UNION(getUnion1().setU1f2s64(1)));
EXPECT_EQ(UnionState({0,19,0,0}, 512), INIT_UNION(getUnion1().setU1f2sp("1")));
EXPECT_EQ(UnionState({0,0,0,0}, 192), INIT_UNION(getUnion2().setU2f0s1(1)));
EXPECT_EQ(UnionState({0,0,0,0}, 193), INIT_UNION(getUnion3().setU3f0s1(1)));
EXPECT_EQ(UnionState({0,0,1,0}, 200), INIT_UNION(getUnion2().setU2f0s8(1)));
EXPECT_EQ(UnionState({0,0,0,1}, 208), INIT_UNION(getUnion3().setU3f0s8(1)));
EXPECT_EQ(UnionState({0,0,2,0}, 224), INIT_UNION(getUnion2().setU2f0s16(1)));
EXPECT_EQ(UnionState({0,0,0,2}, 240), INIT_UNION(getUnion3().setU3f0s16(1)));
EXPECT_EQ(UnionState({0,0,3,0}, 256), INIT_UNION(getUnion2().setU2f0s32(1)));
EXPECT_EQ(UnionState({0,0,0,3}, 288), INIT_UNION(getUnion3().setU3f0s32(1)));
EXPECT_EQ(UnionState({0,0,4,0}, 320), INIT_UNION(getUnion2().setU2f0s64(1)));
EXPECT_EQ(UnionState({0,0,0,4}, 384), INIT_UNION(getUnion3().setU3f0s64(1)));
#undef INIT_UNION
}
TEST(Encoding, UnnamedUnion) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestUnnamedUnion>();
EXPECT_EQ(test::TestUnnamedUnion::FOO, root.which());
root.setBar(321);
EXPECT_EQ(test::TestUnnamedUnion::BAR, root.which());
EXPECT_EQ(test::TestUnnamedUnion::BAR, root.asReader().which());
EXPECT_EQ(321u, root.getBar());
EXPECT_EQ(321u, root.asReader().getBar());
EXPECT_DEBUG_ANY_THROW(root.getFoo());
EXPECT_DEBUG_ANY_THROW(root.asReader().getFoo());
root.setFoo(123);
EXPECT_EQ(test::TestUnnamedUnion::FOO, root.which());
EXPECT_EQ(test::TestUnnamedUnion::FOO, root.asReader().which());
EXPECT_EQ(123u, root.getFoo());
EXPECT_EQ(123u, root.asReader().getFoo());
EXPECT_DEBUG_ANY_THROW(root.getBar());
EXPECT_DEBUG_ANY_THROW(root.asReader().getBar());
#if !CAPNP_LITE
StructSchema schema = Schema::from<test::TestUnnamedUnion>();
// The discriminant is allocated just before allocating "bar".
EXPECT_EQ(2u, schema.getProto().getStruct().getDiscriminantOffset());
EXPECT_EQ(0u, schema.getFieldByName("foo").getProto().getSlot().getOffset());
EXPECT_EQ(2u, schema.getFieldByName("bar").getProto().getSlot().getOffset());
#endif // !CAPNP_LITE
}
TEST(Encoding, Groups) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestGroups>();
{
auto foo = root.getGroups().initFoo();
foo.setCorge(12345678);
foo.setGrault(123456789012345ll);
foo.setGarply("foobar");
EXPECT_EQ(12345678, foo.getCorge());
EXPECT_EQ(123456789012345ll, foo.getGrault());
EXPECT_EQ("foobar", foo.getGarply());
}
{
auto bar = root.getGroups().initBar();
bar.setCorge(23456789);
bar.setGrault("barbaz");
bar.setGarply(234567890123456ll);
EXPECT_EQ(23456789, bar.getCorge());
EXPECT_EQ("barbaz", bar.getGrault());
EXPECT_EQ(234567890123456ll, bar.getGarply());
}
{
auto baz = root.getGroups().initBaz();
baz.setCorge(34567890);
baz.setGrault("bazqux");
baz.setGarply("quxquux");
EXPECT_EQ(34567890, baz.getCorge());
EXPECT_EQ("bazqux", baz.getGrault());
EXPECT_EQ("quxquux", baz.getGarply());
}
}
TEST(Encoding, InterleavedGroups) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestInterleavedGroups>();
// Init both groups to different values.
{
auto group = root.getGroup1();
group.setFoo(12345678u);
group.setBar(123456789012345llu);
auto corge = group.initCorge();
corge.setGrault(987654321098765llu);
corge.setGarply(12345u);
corge.setPlugh("plugh");
corge.setXyzzy("xyzzy");
group.setWaldo("waldo");
}
{
auto group = root.getGroup2();
group.setFoo(23456789u);
group.setBar(234567890123456llu);
auto corge = group.initCorge();
corge.setGrault(876543210987654llu);
corge.setGarply(23456u);
corge.setPlugh("hgulp");
corge.setXyzzy("yzzyx");
group.setWaldo("odlaw");
}
// Check group1 is still set correctly.
{
auto group = root.asReader().getGroup1();
EXPECT_EQ(12345678u, group.getFoo());
EXPECT_EQ(123456789012345llu, group.getBar());
auto corge = group.getCorge();
EXPECT_EQ(987654321098765llu, corge.getGrault());
EXPECT_EQ(12345u, corge.getGarply());
EXPECT_EQ("plugh", corge.getPlugh());
EXPECT_EQ("xyzzy", corge.getXyzzy());
EXPECT_EQ("waldo", group.getWaldo());
}
// Zero out group 1 and see if it is zero'd.
{
auto group = root.initGroup1().asReader();
EXPECT_EQ(0u, group.getFoo());
EXPECT_EQ(0u, group.getBar());
EXPECT_EQ(test::TestInterleavedGroups::Group1::QUX, group.which());
EXPECT_EQ(0u, group.getQux());
EXPECT_FALSE(group.hasWaldo());
}
// Group 2 should not have been touched.
{
auto group = root.asReader().getGroup2();
EXPECT_EQ(23456789u, group.getFoo());
EXPECT_EQ(234567890123456llu, group.getBar());
auto corge = group.getCorge();
EXPECT_EQ(876543210987654llu, corge.getGrault());
EXPECT_EQ(23456u, corge.getGarply());
EXPECT_EQ("hgulp", corge.getPlugh());
EXPECT_EQ("yzzyx", corge.getXyzzy());
EXPECT_EQ("odlaw", group.getWaldo());
}
}
TEST(Encoding, UnionDefault) {
MallocMessageBuilder builder;
TestUnionDefaults::Reader reader = builder.getRoot<TestUnionDefaults>().asReader();
{
auto field = reader.getS16s8s64s8Set();
EXPECT_EQ(TestUnion::Union0::U0F0S16, field.getUnion0().which());
EXPECT_EQ(TestUnion::Union1::U1F0S8 , field.getUnion1().which());
EXPECT_EQ(TestUnion::Union2::U2F0S64, field.getUnion2().which());
EXPECT_EQ(TestUnion::Union3::U3F0S8 , field.getUnion3().which());
EXPECT_EQ(321, field.getUnion0().getU0f0s16());
EXPECT_EQ(123, field.getUnion1().getU1f0s8());
EXPECT_EQ(12345678901234567ll, field.getUnion2().getU2f0s64());
EXPECT_EQ(55, field.getUnion3().getU3f0s8());
}
{
auto field = reader.getS0sps1s32Set();
EXPECT_EQ(TestUnion::Union0::U0F1S0 , field.getUnion0().which());
EXPECT_EQ(TestUnion::Union1::U1F0SP , field.getUnion1().which());
EXPECT_EQ(TestUnion::Union2::U2F0S1 , field.getUnion2().which());
EXPECT_EQ(TestUnion::Union3::U3F0S32, field.getUnion3().which());
EXPECT_EQ(VOID, field.getUnion0().getU0f1s0());
EXPECT_EQ("foo", field.getUnion1().getU1f0sp());
EXPECT_EQ(true, field.getUnion2().getU2f0s1());
EXPECT_EQ(12345678, field.getUnion3().getU3f0s32());
}
{
auto field = reader.getUnnamed1();
EXPECT_EQ(test::TestUnnamedUnion::FOO, field.which());
EXPECT_EQ(123u, field.getFoo());
EXPECT_FALSE(field.hasBefore());
EXPECT_FALSE(field.hasAfter());
}
{
auto field = reader.getUnnamed2();
EXPECT_EQ(test::TestUnnamedUnion::BAR, field.which());
EXPECT_EQ(321u, field.getBar());
EXPECT_EQ("foo", field.getBefore());
EXPECT_EQ("bar", field.getAfter());
}
}
// =======================================================================================
TEST(Encoding, ListDefaults) {
MallocMessageBuilder builder;
TestListDefaults::Builder root = builder.getRoot<TestListDefaults>();
checkTestMessage(root.asReader());
checkTestMessage(root);
checkTestMessage(root.asReader());
}
TEST(Encoding, BuildListDefaults) {
MallocMessageBuilder builder;
TestListDefaults::Builder root = builder.getRoot<TestListDefaults>();
initTestMessage(root);
checkTestMessage(root.asReader());
checkTestMessage(root);
checkTestMessage(root.asReader());
}
TEST(Encoding, SmallStructLists) {
// In this test, we will manually initialize TestListDefaults.lists to match the default
// value and verify that we end up with the same encoding that the compiler produces.
MallocMessageBuilder builder;
auto root = builder.getRoot<TestListDefaults>();
auto sl = root.initLists();
// Verify that all the lists are actually empty.
EXPECT_EQ(0u, sl.getList0 ().size());
EXPECT_EQ(0u, sl.getList1 ().size());
EXPECT_EQ(0u, sl.getList8 ().size());
EXPECT_EQ(0u, sl.getList16().size());
EXPECT_EQ(0u, sl.getList32().size());
EXPECT_EQ(0u, sl.getList64().size());
EXPECT_EQ(0u, sl.getListP ().size());
EXPECT_EQ(0u, sl.getInt32ListList().size());
EXPECT_EQ(0u, sl.getTextListList().size());
EXPECT_EQ(0u, sl.getStructListList().size());
{ auto l = sl.initList0 (2); l[0].setF(VOID); l[1].setF(VOID); }
{ auto l = sl.initList1 (4); l[0].setF(true); l[1].setF(false);
l[2].setF(true); l[3].setF(true); }
{ auto l = sl.initList8 (2); l[0].setF(123u); l[1].setF(45u); }
{ auto l = sl.initList16(2); l[0].setF(12345u); l[1].setF(6789u); }
{ auto l = sl.initList32(2); l[0].setF(123456789u); l[1].setF(234567890u); }
{ auto l = sl.initList64(2); l[0].setF(1234567890123456u); l[1].setF(2345678901234567u); }
{ auto l = sl.initListP (2); l[0].setF("foo"); l[1].setF("bar"); }
{
auto l = sl.initInt32ListList(3);
l.set(0, {1, 2, 3});
l.set(1, {4, 5});
l.set(2, {12341234});
}
{
auto l = sl.initTextListList(3);
l.set(0, {"foo", "bar"});
l.set(1, {"baz"});
l.set(2, {"qux", "corge"});
}
{
auto l = sl.initStructListList(2);
l.init(0, 2);
l.init(1, 1);
l[0][0].setInt32Field(123);
l[0][1].setInt32Field(456);
l[1][0].setInt32Field(789);
}
kj::ArrayPtr<const word> segment = builder.getSegmentsForOutput()[0];
// Initialize another message such that it copies the default value for that field.
MallocMessageBuilder defaultBuilder;
defaultBuilder.getRoot<TestListDefaults>().getLists();
kj::ArrayPtr<const word> defaultSegment = defaultBuilder.getSegmentsForOutput()[0];
// Should match...
EXPECT_EQ(defaultSegment.size(), segment.size());
for (size_t i = 0; i < kj::min(segment.size(), defaultSegment.size()); i++) {
EXPECT_EQ(reinterpret_cast<const uint64_t*>(defaultSegment.begin())[i],
reinterpret_cast<const uint64_t*>(segment.begin())[i]);
}
}
// =======================================================================================
TEST(Encoding, ListUpgrade) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();
root.getAnyPointerField().setAs<List<uint16_t>>({12, 34, 56});
checkList(root.getAnyPointerField().getAs<List<uint8_t>>(), {12, 34, 56});
{
auto l = root.getAnyPointerField().getAs<List<test::TestLists::Struct8>>();
ASSERT_EQ(3u, l.size());
EXPECT_EQ(12u, l[0].getF());
EXPECT_EQ(34u, l[1].getF());
EXPECT_EQ(56u, l[2].getF());
}
checkList(root.getAnyPointerField().getAs<List<uint16_t>>(), {12, 34, 56});
auto reader = root.asReader();
checkList(reader.getAnyPointerField().getAs<List<uint8_t>>(), {12, 34, 56});
{
auto l = reader.getAnyPointerField().getAs<List<test::TestLists::Struct8>>();
ASSERT_EQ(3u, l.size());
EXPECT_EQ(12u, l[0].getF());
EXPECT_EQ(34u, l[1].getF());
EXPECT_EQ(56u, l[2].getF());
}
root.getAnyPointerField().setAs<List<uint16_t>>({12, 34, 56});
{
kj::Maybe<kj::Exception> e = kj::runCatchingExceptions([&]() {
reader.getAnyPointerField().getAs<List<uint32_t>>();
#if !KJ_NO_EXCEPTIONS
ADD_FAILURE() << "Should have thrown an exception.";
#endif
});
KJ_EXPECT(e != nullptr, "Should have thrown an exception.");
}
{
auto l = reader.getAnyPointerField().getAs<List<test::TestLists::Struct32>>();
ASSERT_EQ(3u, l.size());
// These should return default values because the structs aren't big enough.
EXPECT_EQ(0u, l[0].getF());
EXPECT_EQ(0u, l[1].getF());
EXPECT_EQ(0u, l[2].getF());
}
checkList(reader.getAnyPointerField().getAs<List<uint16_t>>(), {12, 34, 56});
}
TEST(Encoding, BitListDowngrade) {
// NO LONGER SUPPORTED -- We check for exceptions thrown.
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();
root.getAnyPointerField().setAs<List<uint16_t>>({0x1201u, 0x3400u, 0x5601u, 0x7801u});
EXPECT_NONFATAL_FAILURE(root.getAnyPointerField().getAs<List<bool>>());
{
auto l = root.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
ASSERT_EQ(4u, l.size());
EXPECT_TRUE(l[0].getF());
EXPECT_FALSE(l[1].getF());
EXPECT_TRUE(l[2].getF());
EXPECT_TRUE(l[3].getF());
}
checkList(root.getAnyPointerField().getAs<List<uint16_t>>(),
{0x1201u, 0x3400u, 0x5601u, 0x7801u});
auto reader = root.asReader();
EXPECT_NONFATAL_FAILURE(root.getAnyPointerField().getAs<List<bool>>());
{
auto l = reader.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
ASSERT_EQ(4u, l.size());
EXPECT_TRUE(l[0].getF());
EXPECT_FALSE(l[1].getF());
EXPECT_TRUE(l[2].getF());
EXPECT_TRUE(l[3].getF());
}
checkList(reader.getAnyPointerField().getAs<List<uint16_t>>(),
{0x1201u, 0x3400u, 0x5601u, 0x7801u});
}
TEST(Encoding, BitListDowngradeFromStruct) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();
{
auto list = root.getAnyPointerField().initAs<List<test::TestLists::Struct1c>>(4);
list[0].setF(true);
list[1].setF(false);
list[2].setF(true);
list[3].setF(true);
}
EXPECT_NONFATAL_FAILURE(root.getAnyPointerField().getAs<List<bool>>());
{
auto l = root.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
ASSERT_EQ(4u, l.size());
EXPECT_TRUE(l[0].getF());
EXPECT_FALSE(l[1].getF());
EXPECT_TRUE(l[2].getF());
EXPECT_TRUE(l[3].getF());
}
auto reader = root.asReader();
EXPECT_NONFATAL_FAILURE(root.getAnyPointerField().getAs<List<bool>>());
{
auto l = reader.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
ASSERT_EQ(4u, l.size());
EXPECT_TRUE(l[0].getF());
EXPECT_FALSE(l[1].getF());
EXPECT_TRUE(l[2].getF());
EXPECT_TRUE(l[3].getF());
}
}
TEST(Encoding, BitListUpgrade) {
// No longer supported!
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();
root.getAnyPointerField().setAs<List<bool>>({true, false, true, true});
{
kj::Maybe<kj::Exception> e = kj::runCatchingExceptions([&]() {
root.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
#if !KJ_NO_EXCEPTIONS
ADD_FAILURE() << "Should have thrown an exception.";
#endif
});
KJ_EXPECT(e != nullptr, "Should have thrown an exception.");
}
auto reader = root.asReader();
{
kj::Maybe<kj::Exception> e = kj::runCatchingExceptions([&]() {
reader.getAnyPointerField().getAs<List<test::TestLists::Struct1>>();
#if !KJ_NO_EXCEPTIONS
ADD_FAILURE() << "Should have thrown an exception.";
#endif
});
KJ_EXPECT(e != nullptr, "Should have thrown an exception.");
}
}
TEST(Encoding, UpgradeStructInBuilder) {
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();
test::TestOldVersion::Reader oldReader;
{
auto oldVersion = root.getAnyPointerField().initAs<test::TestOldVersion>();
oldVersion.setOld1(123);
oldVersion.setOld2("foo");
auto sub = oldVersion.initOld3();
sub.setOld1(456);
sub.setOld2("bar");
oldReader = oldVersion;
}
size_t size = builder.getSegmentsForOutput()[0].size();
size_t size2;
{
auto newVersion = root.getAnyPointerField().getAs<test::TestNewVersion>();
// The old instance should have been zero'd.
EXPECT_EQ(0, oldReader.getOld1());
EXPECT_EQ("", oldReader.getOld2());
EXPECT_EQ(0, oldReader.getOld3().getOld1());
EXPECT_EQ("", oldReader.getOld3().getOld2());
// Size should have increased due to re-allocating the struct.
size_t size1 = builder.getSegmentsForOutput()[0].size();
EXPECT_GT(size1, size);
auto sub = newVersion.getOld3();
// Size should have increased due to re-allocating the sub-struct.
size2 = builder.getSegmentsForOutput()[0].size();
EXPECT_GT(size2, size1);
// Check contents.
EXPECT_EQ(123, newVersion.getOld1());
EXPECT_EQ("foo", newVersion.getOld2());
EXPECT_EQ(987, newVersion.getNew1());
EXPECT_EQ("baz", newVersion.getNew2());
EXPECT_EQ(456, sub.getOld1());
EXPECT_EQ("bar", sub.getOld2());
EXPECT_EQ(987, sub.getNew1());
EXPECT_EQ("baz", sub.getNew2());
newVersion.setOld1(234);
newVersion.setOld2("qux");
newVersion.setNew1(321);
newVersion.setNew2("quux");
sub.setOld1(567);
sub.setOld2("corge");
sub.setNew1(654);
sub.setNew2("grault");
}
// We set four small text fields and implicitly initialized two to defaults, so the size should
// have raised by six words.
size_t size3 = builder.getSegmentsForOutput()[0].size();
EXPECT_EQ(size2 + 6, size3);
{
// Go back to old version. It should have the values set on the new version.
auto oldVersion = root.getAnyPointerField().getAs<test::TestOldVersion>();
EXPECT_EQ(234, oldVersion.getOld1());
EXPECT_EQ("qux", oldVersion.getOld2());
auto sub = oldVersion.getOld3();
EXPECT_EQ(567, sub.getOld1());
EXPECT_EQ("corge", sub.getOld2());
// Overwrite the old fields. The new fields should remain intact.
oldVersion.setOld1(345);
oldVersion.setOld2("garply");
sub.setOld1(678);
sub.setOld2("waldo");
}
// We set two small text fields, so the size should have raised by two words.
size_t size4 = builder.getSegmentsForOutput()[0].size();
EXPECT_EQ(size3 + 2, size4);
{
// Back to the new version again.
auto newVersion = root.getAnyPointerField().getAs<test::TestNewVersion>();
EXPECT_EQ(345, newVersion.getOld1());
EXPECT_EQ("garply", newVersion.getOld2());
EXPECT_EQ(321, newVersion.getNew1());
EXPECT_EQ("quux", newVersion.getNew2());
auto sub = newVersion.getOld3();
EXPECT_EQ(678, sub.getOld1());
EXPECT_EQ("waldo", sub.getOld2());
EXPECT_EQ(654, sub.getNew1());
EXPECT_EQ("grault", sub.getNew2());
}
// Size should not have changed because we didn't write anything and the structs were already
// the right size.
EXPECT_EQ(size4, builder.getSegmentsForOutput()[0].size());
}
TEST(Encoding, UpgradeStructInBuilderMultiSegment) {
// Exactly like the previous test, except that we force multiple segments. Since we force a
// separate segment for every object, every pointer is a far pointer, and far pointers are easily
// transferred, so this is actually not such a complicated case.
MallocMessageBuilder builder(0, AllocationStrategy::FIXED_SIZE);
auto root = builder.initRoot<test::TestAnyPointer>();
// Start with a 1-word first segment and the root object in the second segment.
size_t size = builder.getSegmentsForOutput().size();
EXPECT_EQ(2u, size);
{
auto oldVersion = root.getAnyPointerField().initAs<test::TestOldVersion>();
oldVersion.setOld1(123);
oldVersion.setOld2("foo");
auto sub = oldVersion.initOld3();
sub.setOld1(456);
sub.setOld2("bar");
}
// Allocated two structs and two strings.
size_t size2 = builder.getSegmentsForOutput().size();
EXPECT_EQ(size + 4, size2);
size_t size4;
{
auto newVersion = root.getAnyPointerField().getAs<test::TestNewVersion>();
// Allocated a new struct.
size_t size3 = builder.getSegmentsForOutput().size();
EXPECT_EQ(size2 + 1, size3);
auto sub = newVersion.getOld3();
// Allocated another new struct for its string field.
size4 = builder.getSegmentsForOutput().size();
EXPECT_EQ(size3 + 1, size4);
// Check contents.
EXPECT_EQ(123, newVersion.getOld1());
EXPECT_EQ("foo", newVersion.getOld2());
EXPECT_EQ(987, newVersion.getNew1());
EXPECT_EQ("baz", newVersion.getNew2());
EXPECT_EQ(456, sub.getOld1());
EXPECT_EQ("bar", sub.getOld2());
EXPECT_EQ(987, sub.getNew1());
EXPECT_EQ("baz", sub.getNew2());
newVersion.setOld1(234);
newVersion.setOld2("qux");
newVersion.setNew1(321);
newVersion.setNew2("quux");
sub.setOld1(567);
sub.setOld2("corge");
sub.setNew1(654);
sub.setNew2("grault");
}
// Set four strings and implicitly initialized two.
size_t size5 = builder.getSegmentsForOutput().size();
EXPECT_EQ(size4 + 6, size5);
{
// Go back to old version. It should have the values set on the new version.
auto oldVersion = root.getAnyPointerField().getAs<test::TestOldVersion>();
EXPECT_EQ(234, oldVersion.getOld1());
EXPECT_EQ("qux", oldVersion.getOld2());
auto sub = oldVersion.getOld3();
EXPECT_EQ(567, sub.getOld1());
EXPECT_EQ("corge", sub.getOld2());
// Overwrite the old fields. The new fields should remain intact.
oldVersion.setOld1(345);
oldVersion.setOld2("garply");
sub.setOld1(678);
sub.setOld2("waldo");
}
// Set two new strings.
size_t size6 = builder.getSegmentsForOutput().size();
EXPECT_EQ(size5 + 2, size6);
{
// Back to the new version again.
auto newVersion = root.getAnyPointerField().getAs<test::TestNewVersion>();
EXPECT_EQ(345, newVersion.getOld1());
EXPECT_EQ("garply", newVersion.getOld2());
EXPECT_EQ(321, newVersion.getNew1());
EXPECT_EQ("quux", newVersion.getNew2());
auto sub = newVersion.getOld3();
EXPECT_EQ(678, sub.getOld1());
EXPECT_EQ("waldo", sub.getOld2());
EXPECT_EQ(654, sub.getNew1());
EXPECT_EQ("grault", sub.getNew2());
}
// Size should not have changed because we didn't write anything and the structs were already
// the right size.
EXPECT_EQ(size6, builder.getSegmentsForOutput().size());
}
TEST(Encoding, UpgradeStructInBuilderFarPointers) {
// Force allocation of a Far pointer.
MallocMessageBuilder builder(7, AllocationStrategy::FIXED_SIZE);
auto root = builder.initRoot<test::TestAnyPointer>();
root.getAnyPointerField().initAs<test::TestOldVersion>().setOld2("foo");
// We should have allocated all but one word of the first segment.
EXPECT_EQ(1u, builder.getSegmentsForOutput().size());
EXPECT_EQ(6u, builder.getSegmentsForOutput()[0].size());
// Now if we upgrade...
EXPECT_EQ("foo", root.getAnyPointerField().getAs<test::TestNewVersion>().getOld2());
// We should have allocated the new struct in a new segment, but allocated the far pointer
// landing pad back in the first segment.
ASSERT_EQ(2u, builder.getSegmentsForOutput().size());
EXPECT_EQ(7u, builder.getSegmentsForOutput()[0].size());
EXPECT_EQ(6u, builder.getSegmentsForOutput()[1].size());
}
TEST(Encoding, UpgradeStructInBuilderDoubleFarPointers) {
// Force allocation of a double-Far pointer.
MallocMessageBuilder builder(6, AllocationStrategy::FIXED_SIZE);
auto root = builder.initRoot<test::TestAnyPointer>();
root.getAnyPointerField().initAs<test::TestOldVersion>().setOld2("foo");
// We should have allocated all of the first segment.
EXPECT_EQ(1u, builder.getSegmentsForOutput().size());
EXPECT_EQ(6u, builder.getSegmentsForOutput()[0].size());
// Now if we upgrade...
EXPECT_EQ("foo", root.getAnyPointerField().getAs<test::TestNewVersion>().getOld2());
// We should have allocated the new struct in a new segment, and also allocated the far pointer
// landing pad in yet another segment.
ASSERT_EQ(3u, builder.getSegmentsForOutput().size());
EXPECT_EQ(6u, builder.getSegmentsForOutput()[0].size());
EXPECT_EQ(6u, builder.getSegmentsForOutput()[1].size());
EXPECT_EQ(2u, builder.getSegmentsForOutput()[2].size());
}
void checkUpgradedList(test::TestAnyPointer::Builder root,
std::initializer_list<int64_t> expectedData,
std::initializer_list<Text::Reader> expectedPointers) {
{
auto builder = root.getAnyPointerField().getAs<List<test::TestNewVersion>>();
ASSERT_EQ(expectedData.size(), builder.size());
for (uint i = 0; i < expectedData.size(); i++) {
EXPECT_EQ(expectedData.begin()[i], builder[i].getOld1());
EXPECT_EQ(expectedPointers.begin()[i], builder[i].getOld2());
// Other fields shouldn't be set.
EXPECT_EQ(0, builder[i].asReader().getOld3().getOld1());
EXPECT_EQ("", builder[i].asReader().getOld3().getOld2());
EXPECT_EQ(987, builder[i].getNew1());
EXPECT_EQ("baz", builder[i].getNew2());
// Write some new data.
builder[i].setOld1(i * 123);
builder[i].setOld2(kj::str("qux", i, '\0').begin());
builder[i].setNew1(i * 456);
builder[i].setNew2(kj::str("corge", i, '\0').begin());
}
}
// Read the newly-written data as TestOldVersion to ensure it was updated.
{
auto builder = root.getAnyPointerField().getAs<List<test::TestOldVersion>>();
ASSERT_EQ(expectedData.size(), builder.size());
for (uint i = 0; i < expectedData.size(); i++) {
EXPECT_EQ(i * 123, builder[i].getOld1());
EXPECT_EQ(Text::Reader(kj::str("qux", i, "\0").begin()), builder[i].getOld2());
}
}
// Also read back as TestNewVersion again.
{
auto builder = root.getAnyPointerField().getAs<List<test::TestNewVersion>>();
ASSERT_EQ(expectedData.size(), builder.size());
for (uint i = 0; i < expectedData.size(); i++) {
EXPECT_EQ(i * 123, builder[i].getOld1());
EXPECT_EQ(Text::Reader(kj::str("qux", i, '\0').begin()), builder[i].getOld2());
EXPECT_EQ(i * 456, builder[i].getNew1());
EXPECT_EQ(Text::Reader(kj::str("corge", i, '\0').begin()), builder[i].getNew2());
}
}
}
TEST(Encoding, UpgradeListInBuilder) {
// Test every damned list upgrade.
MallocMessageBuilder builder;
auto root = builder.initRoot<test::TestAnyPointer>();