//===- unittest/Support/YAMLIOTest.cpp ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/YAMLTraits.h"
#include "gtest/gtest.h"
using llvm::yaml::Input;
using llvm::yaml::Output;
using llvm::yaml::IO;
using llvm::yaml::MappingTraits;
using llvm::yaml::MappingNormalization;
using llvm::yaml::ScalarTraits;
using llvm::yaml::Hex8;
using llvm::yaml::Hex16;
using llvm::yaml::Hex32;
using llvm::yaml::Hex64;
static void suppressErrorMessages(const llvm::SMDiagnostic &, void *) {
}
//===----------------------------------------------------------------------===//
// Test MappingTraits
//===----------------------------------------------------------------------===//
struct FooBar {
int foo;
int bar;
};
typedef std::vector<FooBar> FooBarSequence;
LLVM_YAML_IS_SEQUENCE_VECTOR(FooBar)
struct FooBarContainer {
FooBarSequence fbs;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<FooBar> {
static void mapping(IO &io, FooBar& fb) {
io.mapRequired("foo", fb.foo);
io.mapRequired("bar", fb.bar);
}
};
template <> struct MappingTraits<FooBarContainer> {
static void mapping(IO &io, FooBarContainer &fb) {
io.mapRequired("fbs", fb.fbs);
}
};
}
}
//
// Test the reading of a yaml mapping
//
TEST(YAMLIO, TestMapRead) {
FooBar doc;
{
Input yin("---\nfoo: 3\nbar: 5\n...\n");
yin >> doc;
EXPECT_FALSE(yin.error());
EXPECT_EQ(doc.foo, 3);
EXPECT_EQ(doc.bar, 5);
}
{
Input yin("{foo: 3, bar: 5}");
yin >> doc;
EXPECT_FALSE(yin.error());
EXPECT_EQ(doc.foo, 3);
EXPECT_EQ(doc.bar, 5);
}
}
TEST(YAMLIO, TestMalformedMapRead) {
FooBar doc;
Input yin("{foo: 3; bar: 5}", nullptr, suppressErrorMessages);
yin >> doc;
EXPECT_TRUE(!!yin.error());
}
//
// Test the reading of a yaml sequence of mappings
//
TEST(YAMLIO, TestSequenceMapRead) {
FooBarSequence seq;
Input yin("---\n - foo: 3\n bar: 5\n - foo: 7\n bar: 9\n...\n");
yin >> seq;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq.size(), 2UL);
FooBar& map1 = seq[0];
FooBar& map2 = seq[1];
EXPECT_EQ(map1.foo, 3);
EXPECT_EQ(map1.bar, 5);
EXPECT_EQ(map2.foo, 7);
EXPECT_EQ(map2.bar, 9);
}
//
// Test the reading of a map containing a yaml sequence of mappings
//
TEST(YAMLIO, TestContainerSequenceMapRead) {
{
FooBarContainer cont;
Input yin2("---\nfbs:\n - foo: 3\n bar: 5\n - foo: 7\n bar: 9\n...\n");
yin2 >> cont;
EXPECT_FALSE(yin2.error());
EXPECT_EQ(cont.fbs.size(), 2UL);
EXPECT_EQ(cont.fbs[0].foo, 3);
EXPECT_EQ(cont.fbs[0].bar, 5);
EXPECT_EQ(cont.fbs[1].foo, 7);
EXPECT_EQ(cont.fbs[1].bar, 9);
}
{
FooBarContainer cont;
Input yin("---\nfbs:\n...\n");
yin >> cont;
// Okay: Empty node represents an empty array.
EXPECT_FALSE(yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
{
FooBarContainer cont;
Input yin("---\nfbs: !!null null\n...\n");
yin >> cont;
// Okay: null represents an empty array.
EXPECT_FALSE(yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
{
FooBarContainer cont;
Input yin("---\nfbs: ~\n...\n");
yin >> cont;
// Okay: null represents an empty array.
EXPECT_FALSE(yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
{
FooBarContainer cont;
Input yin("---\nfbs: null\n...\n");
yin >> cont;
// Okay: null represents an empty array.
EXPECT_FALSE(yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
}
//
// Test the reading of a map containing a malformed yaml sequence
//
TEST(YAMLIO, TestMalformedContainerSequenceMapRead) {
{
FooBarContainer cont;
Input yin("---\nfbs:\n foo: 3\n bar: 5\n...\n", nullptr,
suppressErrorMessages);
yin >> cont;
// Error: fbs is not a sequence.
EXPECT_TRUE(!!yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
{
FooBarContainer cont;
Input yin("---\nfbs: 'scalar'\n...\n", nullptr, suppressErrorMessages);
yin >> cont;
// This should be an error.
EXPECT_TRUE(!!yin.error());
EXPECT_EQ(cont.fbs.size(), 0UL);
}
}
//
// Test writing then reading back a sequence of mappings
//
TEST(YAMLIO, TestSequenceMapWriteAndRead) {
std::string intermediate;
{
FooBar entry1;
entry1.foo = 10;
entry1.bar = -3;
FooBar entry2;
entry2.foo = 257;
entry2.bar = 0;
FooBarSequence seq;
seq.push_back(entry1);
seq.push_back(entry2);
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << seq;
}
{
Input yin(intermediate);
FooBarSequence seq2;
yin >> seq2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq2.size(), 2UL);
FooBar& map1 = seq2[0];
FooBar& map2 = seq2[1];
EXPECT_EQ(map1.foo, 10);
EXPECT_EQ(map1.bar, -3);
EXPECT_EQ(map2.foo, 257);
EXPECT_EQ(map2.bar, 0);
}
}
//===----------------------------------------------------------------------===//
// Test built-in types
//===----------------------------------------------------------------------===//
struct BuiltInTypes {
llvm::StringRef str;
std::string stdstr;
uint64_t u64;
uint32_t u32;
uint16_t u16;
uint8_t u8;
bool b;
int64_t s64;
int32_t s32;
int16_t s16;
int8_t s8;
float f;
double d;
Hex8 h8;
Hex16 h16;
Hex32 h32;
Hex64 h64;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<BuiltInTypes> {
static void mapping(IO &io, BuiltInTypes& bt) {
io.mapRequired("str", bt.str);
io.mapRequired("stdstr", bt.stdstr);
io.mapRequired("u64", bt.u64);
io.mapRequired("u32", bt.u32);
io.mapRequired("u16", bt.u16);
io.mapRequired("u8", bt.u8);
io.mapRequired("b", bt.b);
io.mapRequired("s64", bt.s64);
io.mapRequired("s32", bt.s32);
io.mapRequired("s16", bt.s16);
io.mapRequired("s8", bt.s8);
io.mapRequired("f", bt.f);
io.mapRequired("d", bt.d);
io.mapRequired("h8", bt.h8);
io.mapRequired("h16", bt.h16);
io.mapRequired("h32", bt.h32);
io.mapRequired("h64", bt.h64);
}
};
}
}
//
// Test the reading of all built-in scalar conversions
//
TEST(YAMLIO, TestReadBuiltInTypes) {
BuiltInTypes map;
Input yin("---\n"
"str: hello there\n"
"stdstr: hello where?\n"
"u64: 5000000000\n"
"u32: 4000000000\n"
"u16: 65000\n"
"u8: 255\n"
"b: false\n"
"s64: -5000000000\n"
"s32: -2000000000\n"
"s16: -32000\n"
"s8: -127\n"
"f: 137.125\n"
"d: -2.8625\n"
"h8: 0xFF\n"
"h16: 0x8765\n"
"h32: 0xFEDCBA98\n"
"h64: 0xFEDCBA9876543210\n"
"...\n");
yin >> map;
EXPECT_FALSE(yin.error());
EXPECT_TRUE(map.str.equals("hello there"));
EXPECT_TRUE(map.stdstr == "hello where?");
EXPECT_EQ(map.u64, 5000000000ULL);
EXPECT_EQ(map.u32, 4000000000U);
EXPECT_EQ(map.u16, 65000);
EXPECT_EQ(map.u8, 255);
EXPECT_EQ(map.b, false);
EXPECT_EQ(map.s64, -5000000000LL);
EXPECT_EQ(map.s32, -2000000000L);
EXPECT_EQ(map.s16, -32000);
EXPECT_EQ(map.s8, -127);
EXPECT_EQ(map.f, 137.125);
EXPECT_EQ(map.d, -2.8625);
EXPECT_EQ(map.h8, Hex8(255));
EXPECT_EQ(map.h16, Hex16(0x8765));
EXPECT_EQ(map.h32, Hex32(0xFEDCBA98));
EXPECT_EQ(map.h64, Hex64(0xFEDCBA9876543210LL));
}
//
// Test writing then reading back all built-in scalar types
//
TEST(YAMLIO, TestReadWriteBuiltInTypes) {
std::string intermediate;
{
BuiltInTypes map;
map.str = "one two";
map.stdstr = "three four";
map.u64 = 6000000000ULL;
map.u32 = 3000000000U;
map.u16 = 50000;
map.u8 = 254;
map.b = true;
map.s64 = -6000000000LL;
map.s32 = -2000000000;
map.s16 = -32000;
map.s8 = -128;
map.f = 3.25;
map.d = -2.8625;
map.h8 = 254;
map.h16 = 50000;
map.h32 = 3000000000U;
map.h64 = 6000000000LL;
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << map;
}
{
Input yin(intermediate);
BuiltInTypes map;
yin >> map;
EXPECT_FALSE(yin.error());
EXPECT_TRUE(map.str.equals("one two"));
EXPECT_TRUE(map.stdstr == "three four");
EXPECT_EQ(map.u64, 6000000000ULL);
EXPECT_EQ(map.u32, 3000000000U);
EXPECT_EQ(map.u16, 50000);
EXPECT_EQ(map.u8, 254);
EXPECT_EQ(map.b, true);
EXPECT_EQ(map.s64, -6000000000LL);
EXPECT_EQ(map.s32, -2000000000L);
EXPECT_EQ(map.s16, -32000);
EXPECT_EQ(map.s8, -128);
EXPECT_EQ(map.f, 3.25);
EXPECT_EQ(map.d, -2.8625);
EXPECT_EQ(map.h8, Hex8(254));
EXPECT_EQ(map.h16, Hex16(50000));
EXPECT_EQ(map.h32, Hex32(3000000000U));
EXPECT_EQ(map.h64, Hex64(6000000000LL));
}
}
struct StringTypes {
llvm::StringRef str1;
llvm::StringRef str2;
llvm::StringRef str3;
llvm::StringRef str4;
llvm::StringRef str5;
llvm::StringRef str6;
llvm::StringRef str7;
llvm::StringRef str8;
llvm::StringRef str9;
llvm::StringRef str10;
llvm::StringRef str11;
std::string stdstr1;
std::string stdstr2;
std::string stdstr3;
std::string stdstr4;
std::string stdstr5;
std::string stdstr6;
std::string stdstr7;
std::string stdstr8;
std::string stdstr9;
std::string stdstr10;
std::string stdstr11;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<StringTypes> {
static void mapping(IO &io, StringTypes& st) {
io.mapRequired("str1", st.str1);
io.mapRequired("str2", st.str2);
io.mapRequired("str3", st.str3);
io.mapRequired("str4", st.str4);
io.mapRequired("str5", st.str5);
io.mapRequired("str6", st.str6);
io.mapRequired("str7", st.str7);
io.mapRequired("str8", st.str8);
io.mapRequired("str9", st.str9);
io.mapRequired("str10", st.str10);
io.mapRequired("str11", st.str11);
io.mapRequired("stdstr1", st.stdstr1);
io.mapRequired("stdstr2", st.stdstr2);
io.mapRequired("stdstr3", st.stdstr3);
io.mapRequired("stdstr4", st.stdstr4);
io.mapRequired("stdstr5", st.stdstr5);
io.mapRequired("stdstr6", st.stdstr6);
io.mapRequired("stdstr7", st.stdstr7);
io.mapRequired("stdstr8", st.stdstr8);
io.mapRequired("stdstr9", st.stdstr9);
io.mapRequired("stdstr10", st.stdstr10);
io.mapRequired("stdstr11", st.stdstr11);
}
};
}
}
TEST(YAMLIO, TestReadWriteStringTypes) {
std::string intermediate;
{
StringTypes map;
map.str1 = "'aaa";
map.str2 = "\"bbb";
map.str3 = "`ccc";
map.str4 = "@ddd";
map.str5 = "";
map.str6 = "0000000004000000";
map.str7 = "true";
map.str8 = "FALSE";
map.str9 = "~";
map.str10 = "0.2e20";
map.str11 = "0x30";
map.stdstr1 = "'eee";
map.stdstr2 = "\"fff";
map.stdstr3 = "`ggg";
map.stdstr4 = "@hhh";
map.stdstr5 = "";
map.stdstr6 = "0000000004000000";
map.stdstr7 = "true";
map.stdstr8 = "FALSE";
map.stdstr9 = "~";
map.stdstr10 = "0.2e20";
map.stdstr11 = "0x30";
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << map;
}
llvm::StringRef flowOut(intermediate);
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'''aaa"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'\"bbb'"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'`ccc'"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'@ddd'"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("''\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0000000004000000'\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'true'\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'FALSE'\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'~'\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0.2e20'\n"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0x30'\n"));
EXPECT_NE(std::string::npos, flowOut.find("'''eee"));
EXPECT_NE(std::string::npos, flowOut.find("'\"fff'"));
EXPECT_NE(std::string::npos, flowOut.find("'`ggg'"));
EXPECT_NE(std::string::npos, flowOut.find("'@hhh'"));
EXPECT_NE(std::string::npos, flowOut.find("''\n"));
EXPECT_NE(std::string::npos, flowOut.find("'0000000004000000'\n"));
{
Input yin(intermediate);
StringTypes map;
yin >> map;
EXPECT_FALSE(yin.error());
EXPECT_TRUE(map.str1.equals("'aaa"));
EXPECT_TRUE(map.str2.equals("\"bbb"));
EXPECT_TRUE(map.str3.equals("`ccc"));
EXPECT_TRUE(map.str4.equals("@ddd"));
EXPECT_TRUE(map.str5.equals(""));
EXPECT_TRUE(map.str6.equals("0000000004000000"));
EXPECT_TRUE(map.stdstr1 == "'eee");
EXPECT_TRUE(map.stdstr2 == "\"fff");
EXPECT_TRUE(map.stdstr3 == "`ggg");
EXPECT_TRUE(map.stdstr4 == "@hhh");
EXPECT_TRUE(map.stdstr5 == "");
EXPECT_TRUE(map.stdstr6 == "0000000004000000");
}
}
//===----------------------------------------------------------------------===//
// Test ScalarEnumerationTraits
//===----------------------------------------------------------------------===//
enum Colors {
cRed,
cBlue,
cGreen,
cYellow
};
struct ColorMap {
Colors c1;
Colors c2;
Colors c3;
Colors c4;
Colors c5;
Colors c6;
};
namespace llvm {
namespace yaml {
template <>
struct ScalarEnumerationTraits<Colors> {
static void enumeration(IO &io, Colors &value) {
io.enumCase(value, "red", cRed);
io.enumCase(value, "blue", cBlue);
io.enumCase(value, "green", cGreen);
io.enumCase(value, "yellow",cYellow);
}
};
template <>
struct MappingTraits<ColorMap> {
static void mapping(IO &io, ColorMap& c) {
io.mapRequired("c1", c.c1);
io.mapRequired("c2", c.c2);
io.mapRequired("c3", c.c3);
io.mapOptional("c4", c.c4, cBlue); // supplies default
io.mapOptional("c5", c.c5, cYellow); // supplies default
io.mapOptional("c6", c.c6, cRed); // supplies default
}
};
}
}
//
// Test reading enumerated scalars
//
TEST(YAMLIO, TestEnumRead) {
ColorMap map;
Input yin("---\n"
"c1: blue\n"
"c2: red\n"
"c3: green\n"
"c5: yellow\n"
"...\n");
yin >> map;
EXPECT_FALSE(yin.error());
EXPECT_EQ(cBlue, map.c1);
EXPECT_EQ(cRed, map.c2);
EXPECT_EQ(cGreen, map.c3);
EXPECT_EQ(cBlue, map.c4); // tests default
EXPECT_EQ(cYellow,map.c5); // tests overridden
EXPECT_EQ(cRed, map.c6); // tests default
}
//===----------------------------------------------------------------------===//
// Test ScalarBitSetTraits
//===----------------------------------------------------------------------===//
enum MyFlags {
flagNone = 0,
flagBig = 1 << 0,
flagFlat = 1 << 1,
flagRound = 1 << 2,
flagPointy = 1 << 3
};
inline MyFlags operator|(MyFlags a, MyFlags b) {
return static_cast<MyFlags>(
static_cast<uint32_t>(a) | static_cast<uint32_t>(b));
}
struct FlagsMap {
MyFlags f1;
MyFlags f2;
MyFlags f3;
MyFlags f4;
};
namespace llvm {
namespace yaml {
template <>
struct ScalarBitSetTraits<MyFlags> {
static void bitset(IO &io, MyFlags &value) {
io.bitSetCase(value, "big", flagBig);
io.bitSetCase(value, "flat", flagFlat);
io.bitSetCase(value, "round", flagRound);
io.bitSetCase(value, "pointy",flagPointy);
}
};
template <>
struct MappingTraits<FlagsMap> {
static void mapping(IO &io, FlagsMap& c) {
io.mapRequired("f1", c.f1);
io.mapRequired("f2", c.f2);
io.mapRequired("f3", c.f3);
io.mapOptional("f4", c.f4, MyFlags(flagRound));
}
};
}
}
//
// Test reading flow sequence representing bit-mask values
//
TEST(YAMLIO, TestFlagsRead) {
FlagsMap map;
Input yin("---\n"
"f1: [ big ]\n"
"f2: [ round, flat ]\n"
"f3: []\n"
"...\n");
yin >> map;
EXPECT_FALSE(yin.error());
EXPECT_EQ(flagBig, map.f1);
EXPECT_EQ(flagRound|flagFlat, map.f2);
EXPECT_EQ(flagNone, map.f3); // check empty set
EXPECT_EQ(flagRound, map.f4); // check optional key
}
//
// Test writing then reading back bit-mask values
//
TEST(YAMLIO, TestReadWriteFlags) {
std::string intermediate;
{
FlagsMap map;
map.f1 = flagBig;
map.f2 = flagRound | flagFlat;
map.f3 = flagNone;
map.f4 = flagNone;
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << map;
}
{
Input yin(intermediate);
FlagsMap map2;
yin >> map2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(flagBig, map2.f1);
EXPECT_EQ(flagRound|flagFlat, map2.f2);
EXPECT_EQ(flagNone, map2.f3);
//EXPECT_EQ(flagRound, map2.f4); // check optional key
}
}
//===----------------------------------------------------------------------===//
// Test ScalarTraits
//===----------------------------------------------------------------------===//
struct MyCustomType {
int length;
int width;
};
struct MyCustomTypeMap {
MyCustomType f1;
MyCustomType f2;
int f3;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<MyCustomTypeMap> {
static void mapping(IO &io, MyCustomTypeMap& s) {
io.mapRequired("f1", s.f1);
io.mapRequired("f2", s.f2);
io.mapRequired("f3", s.f3);
}
};
// MyCustomType is formatted as a yaml scalar. A value of
// {length=3, width=4} would be represented in yaml as "3 by 4".
template<>
struct ScalarTraits<MyCustomType> {
static void output(const MyCustomType &value, void* ctxt, llvm::raw_ostream &out) {
out << llvm::format("%d by %d", value.length, value.width);
}
static StringRef input(StringRef scalar, void* ctxt, MyCustomType &value) {
size_t byStart = scalar.find("by");
if ( byStart != StringRef::npos ) {
StringRef lenStr = scalar.slice(0, byStart);
lenStr = lenStr.rtrim();
if ( lenStr.getAsInteger(0, value.length) ) {
return "malformed length";
}
StringRef widthStr = scalar.drop_front(byStart+2);
widthStr = widthStr.ltrim();
if ( widthStr.getAsInteger(0, value.width) ) {
return "malformed width";
}
return StringRef();
}
else {
return "malformed by";
}
}
static bool mustQuote(StringRef) { return true; }
};
}
}
//
// Test writing then reading back custom values
//
TEST(YAMLIO, TestReadWriteMyCustomType) {
std::string intermediate;
{
MyCustomTypeMap map;
map.f1.length = 1;
map.f1.width = 4;
map.f2.length = 100;
map.f2.width = 400;
map.f3 = 10;
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << map;
}
{
Input yin(intermediate);
MyCustomTypeMap map2;
yin >> map2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(1, map2.f1.length);
EXPECT_EQ(4, map2.f1.width);
EXPECT_EQ(100, map2.f2.length);
EXPECT_EQ(400, map2.f2.width);
EXPECT_EQ(10, map2.f3);
}
}
//===----------------------------------------------------------------------===//
// Test flow sequences
//===----------------------------------------------------------------------===//
LLVM_YAML_STRONG_TYPEDEF(int, MyNumber)
LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(MyNumber)
LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(llvm::StringRef)
namespace llvm {
namespace yaml {
template<>
struct ScalarTraits<MyNumber> {
static void output(const MyNumber &value, void *, llvm::raw_ostream &out) {
out << value;
}
static StringRef input(StringRef scalar, void *, MyNumber &value) {
long long n;
if ( getAsSignedInteger(scalar, 0, n) )
return "invalid number";
value = n;
return StringRef();
}
static bool mustQuote(StringRef) { return false; }
};
}
}
struct NameAndNumbers {
llvm::StringRef name;
std::vector<llvm::StringRef> strings;
std::vector<MyNumber> single;
std::vector<MyNumber> numbers;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<NameAndNumbers> {
static void mapping(IO &io, NameAndNumbers& nn) {
io.mapRequired("name", nn.name);
io.mapRequired("strings", nn.strings);
io.mapRequired("single", nn.single);
io.mapRequired("numbers", nn.numbers);
}
};
}
}
//
// Test writing then reading back custom values
//
TEST(YAMLIO, TestReadWriteMyFlowSequence) {
std::string intermediate;
{
NameAndNumbers map;
map.name = "hello";
map.strings.push_back(llvm::StringRef("one"));
map.strings.push_back(llvm::StringRef("two"));
map.single.push_back(1);
map.numbers.push_back(10);
map.numbers.push_back(-30);
map.numbers.push_back(1024);
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << map;
// Verify sequences were written in flow style
ostr.flush();
llvm::StringRef flowOut(intermediate);
EXPECT_NE(llvm::StringRef::npos, flowOut.find("one, two"));
EXPECT_NE(llvm::StringRef::npos, flowOut.find("10, -30, 1024"));
}
{
Input yin(intermediate);
NameAndNumbers map2;
yin >> map2;
EXPECT_FALSE(yin.error());
EXPECT_TRUE(map2.name.equals("hello"));
EXPECT_EQ(map2.strings.size(), 2UL);
EXPECT_TRUE(map2.strings[0].equals("one"));
EXPECT_TRUE(map2.strings[1].equals("two"));
EXPECT_EQ(map2.single.size(), 1UL);
EXPECT_EQ(1, map2.single[0]);
EXPECT_EQ(map2.numbers.size(), 3UL);
EXPECT_EQ(10, map2.numbers[0]);
EXPECT_EQ(-30, map2.numbers[1]);
EXPECT_EQ(1024, map2.numbers[2]);
}
}
//===----------------------------------------------------------------------===//
// Test normalizing/denormalizing
//===----------------------------------------------------------------------===//
LLVM_YAML_STRONG_TYPEDEF(uint32_t, TotalSeconds)
typedef std::vector<TotalSeconds> SecondsSequence;
LLVM_YAML_IS_SEQUENCE_VECTOR(TotalSeconds)
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<TotalSeconds> {
class NormalizedSeconds {
public:
NormalizedSeconds(IO &io)
: hours(0), minutes(0), seconds(0) {
}
NormalizedSeconds(IO &, TotalSeconds &secs)
: hours(secs/3600),
minutes((secs - (hours*3600))/60),
seconds(secs % 60) {
}
TotalSeconds denormalize(IO &) {
return TotalSeconds(hours*3600 + minutes*60 + seconds);
}
uint32_t hours;
uint8_t minutes;
uint8_t seconds;
};
static void mapping(IO &io, TotalSeconds &secs) {
MappingNormalization<NormalizedSeconds, TotalSeconds> keys(io, secs);
io.mapOptional("hours", keys->hours, (uint32_t)0);
io.mapOptional("minutes", keys->minutes, (uint8_t)0);
io.mapRequired("seconds", keys->seconds);
}
};
}
}
//
// Test the reading of a yaml sequence of mappings
//
TEST(YAMLIO, TestReadMySecondsSequence) {
SecondsSequence seq;
Input yin("---\n - hours: 1\n seconds: 5\n - seconds: 59\n...\n");
yin >> seq;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq.size(), 2UL);
EXPECT_EQ(seq[0], 3605U);
EXPECT_EQ(seq[1], 59U);
}
//
// Test writing then reading back custom values
//
TEST(YAMLIO, TestReadWriteMySecondsSequence) {
std::string intermediate;
{
SecondsSequence seq;
seq.push_back(4000);
seq.push_back(500);
seq.push_back(59);
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << seq;
}
{
Input yin(intermediate);
SecondsSequence seq2;
yin >> seq2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq2.size(), 3UL);
EXPECT_EQ(seq2[0], 4000U);
EXPECT_EQ(seq2[1], 500U);
EXPECT_EQ(seq2[2], 59U);
}
}
//===----------------------------------------------------------------------===//
// Test dynamic typing
//===----------------------------------------------------------------------===//
enum AFlags {
a1,
a2,
a3
};
enum BFlags {
b1,
b2,
b3
};
enum Kind {
kindA,
kindB
};
struct KindAndFlags {
KindAndFlags() : kind(kindA), flags(0) { }
KindAndFlags(Kind k, uint32_t f) : kind(k), flags(f) { }
Kind kind;
uint32_t flags;
};
typedef std::vector<KindAndFlags> KindAndFlagsSequence;
LLVM_YAML_IS_SEQUENCE_VECTOR(KindAndFlags)
namespace llvm {
namespace yaml {
template <>
struct ScalarEnumerationTraits<AFlags> {
static void enumeration(IO &io, AFlags &value) {
io.enumCase(value, "a1", a1);
io.enumCase(value, "a2", a2);
io.enumCase(value, "a3", a3);
}
};
template <>
struct ScalarEnumerationTraits<BFlags> {
static void enumeration(IO &io, BFlags &value) {
io.enumCase(value, "b1", b1);
io.enumCase(value, "b2", b2);
io.enumCase(value, "b3", b3);
}
};
template <>
struct ScalarEnumerationTraits<Kind> {
static void enumeration(IO &io, Kind &value) {
io.enumCase(value, "A", kindA);
io.enumCase(value, "B", kindB);
}
};
template <>
struct MappingTraits<KindAndFlags> {
static void mapping(IO &io, KindAndFlags& kf) {
io.mapRequired("kind", kf.kind);
// Type of "flags" field varies depending on "kind" field.
// Use memcpy here to avoid breaking strict aliasing rules.
if (kf.kind == kindA) {
AFlags aflags = static_cast<AFlags>(kf.flags);
io.mapRequired("flags", aflags);
kf.flags = aflags;
} else {
BFlags bflags = static_cast<BFlags>(kf.flags);
io.mapRequired("flags", bflags);
kf.flags = bflags;
}
}
};
}
}
//
// Test the reading of a yaml sequence dynamic types
//
TEST(YAMLIO, TestReadKindAndFlagsSequence) {
KindAndFlagsSequence seq;
Input yin("---\n - kind: A\n flags: a2\n - kind: B\n flags: b1\n...\n");
yin >> seq;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq.size(), 2UL);
EXPECT_EQ(seq[0].kind, kindA);
EXPECT_EQ(seq[0].flags, (uint32_t)a2);
EXPECT_EQ(seq[1].kind, kindB);
EXPECT_EQ(seq[1].flags, (uint32_t)b1);
}
//
// Test writing then reading back dynamic types
//
TEST(YAMLIO, TestReadWriteKindAndFlagsSequence) {
std::string intermediate;
{
KindAndFlagsSequence seq;
seq.push_back(KindAndFlags(kindA,a1));
seq.push_back(KindAndFlags(kindB,b1));
seq.push_back(KindAndFlags(kindA,a2));
seq.push_back(KindAndFlags(kindB,b2));
seq.push_back(KindAndFlags(kindA,a3));
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << seq;
}
{
Input yin(intermediate);
KindAndFlagsSequence seq2;
yin >> seq2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(seq2.size(), 5UL);
EXPECT_EQ(seq2[0].kind, kindA);
EXPECT_EQ(seq2[0].flags, (uint32_t)a1);
EXPECT_EQ(seq2[1].kind, kindB);
EXPECT_EQ(seq2[1].flags, (uint32_t)b1);
EXPECT_EQ(seq2[2].kind, kindA);
EXPECT_EQ(seq2[2].flags, (uint32_t)a2);
EXPECT_EQ(seq2[3].kind, kindB);
EXPECT_EQ(seq2[3].flags, (uint32_t)b2);
EXPECT_EQ(seq2[4].kind, kindA);
EXPECT_EQ(seq2[4].flags, (uint32_t)a3);
}
}
//===----------------------------------------------------------------------===//
// Test document list
//===----------------------------------------------------------------------===//
struct FooBarMap {
int foo;
int bar;
};
typedef std::vector<FooBarMap> FooBarMapDocumentList;
LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(FooBarMap)
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<FooBarMap> {
static void mapping(IO &io, FooBarMap& fb) {
io.mapRequired("foo", fb.foo);
io.mapRequired("bar", fb.bar);
}
};
}
}
//
// Test the reading of a yaml mapping
//
TEST(YAMLIO, TestDocRead) {
FooBarMap doc;
Input yin("---\nfoo: 3\nbar: 5\n...\n");
yin >> doc;
EXPECT_FALSE(yin.error());
EXPECT_EQ(doc.foo, 3);
EXPECT_EQ(doc.bar,5);
}
//
// Test writing then reading back a sequence of mappings
//
TEST(YAMLIO, TestSequenceDocListWriteAndRead) {
std::string intermediate;
{
FooBarMap doc1;
doc1.foo = 10;
doc1.bar = -3;
FooBarMap doc2;
doc2.foo = 257;
doc2.bar = 0;
std::vector<FooBarMap> docList;
docList.push_back(doc1);
docList.push_back(doc2);
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << docList;
}
{
Input yin(intermediate);
std::vector<FooBarMap> docList2;
yin >> docList2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(docList2.size(), 2UL);
FooBarMap& map1 = docList2[0];
FooBarMap& map2 = docList2[1];
EXPECT_EQ(map1.foo, 10);
EXPECT_EQ(map1.bar, -3);
EXPECT_EQ(map2.foo, 257);
EXPECT_EQ(map2.bar, 0);
}
}
//===----------------------------------------------------------------------===//
// Test document tags
//===----------------------------------------------------------------------===//
struct MyDouble {
MyDouble() : value(0.0) { }
MyDouble(double x) : value(x) { }
double value;
};
LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyDouble)
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<MyDouble> {
static void mapping(IO &io, MyDouble &d) {
if (io.mapTag("!decimal", true)) {
mappingDecimal(io, d);
} else if (io.mapTag("!fraction")) {
mappingFraction(io, d);
}
}
static void mappingDecimal(IO &io, MyDouble &d) {
io.mapRequired("value", d.value);
}
static void mappingFraction(IO &io, MyDouble &d) {
double num, denom;
io.mapRequired("numerator", num);
io.mapRequired("denominator", denom);
// convert fraction to double
d.value = num/denom;
}
};
}
}
//
// Test the reading of two different tagged yaml documents.
//
TEST(YAMLIO, TestTaggedDocuments) {
std::vector<MyDouble> docList;
Input yin("--- !decimal\nvalue: 3.0\n"
"--- !fraction\nnumerator: 9.0\ndenominator: 2\n...\n");
yin >> docList;
EXPECT_FALSE(yin.error());
EXPECT_EQ(docList.size(), 2UL);
EXPECT_EQ(docList[0].value, 3.0);
EXPECT_EQ(docList[1].value, 4.5);
}
//
// Test writing then reading back tagged documents
//
TEST(YAMLIO, TestTaggedDocumentsWriteAndRead) {
std::string intermediate;
{
MyDouble a(10.25);
MyDouble b(-3.75);
std::vector<MyDouble> docList;
docList.push_back(a);
docList.push_back(b);
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << docList;
}
{
Input yin(intermediate);
std::vector<MyDouble> docList2;
yin >> docList2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(docList2.size(), 2UL);
EXPECT_EQ(docList2[0].value, 10.25);
EXPECT_EQ(docList2[1].value, -3.75);
}
}
//===----------------------------------------------------------------------===//
// Test mapping validation
//===----------------------------------------------------------------------===//
struct MyValidation {
double value;
};
LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyValidation)
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<MyValidation> {
static void mapping(IO &io, MyValidation &d) {
io.mapRequired("value", d.value);
}
static StringRef validate(IO &io, MyValidation &d) {
if (d.value < 0)
return "negative value";
return StringRef();
}
};
}
}
//
// Test that validate() is called and complains about the negative value.
//
TEST(YAMLIO, TestValidatingInput) {
std::vector<MyValidation> docList;
Input yin("--- \nvalue: 3.0\n"
"--- \nvalue: -1.0\n...\n",
nullptr, suppressErrorMessages);
yin >> docList;
EXPECT_TRUE(!!yin.error());
}
//===----------------------------------------------------------------------===//
// Test error handling
//===----------------------------------------------------------------------===//
//
// Test error handling of unknown enumerated scalar
//
TEST(YAMLIO, TestColorsReadError) {
ColorMap map;
Input yin("---\n"
"c1: blue\n"
"c2: purple\n"
"c3: green\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> map;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling of flow sequence with unknown value
//
TEST(YAMLIO, TestFlagsReadError) {
FlagsMap map;
Input yin("---\n"
"f1: [ big ]\n"
"f2: [ round, hollow ]\n"
"f3: []\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> map;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in uint8_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(uint8_t)
TEST(YAMLIO, TestReadBuiltInTypesUint8Error) {
std::vector<uint8_t> seq;
Input yin("---\n"
"- 255\n"
"- 0\n"
"- 257\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in uint16_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(uint16_t)
TEST(YAMLIO, TestReadBuiltInTypesUint16Error) {
std::vector<uint16_t> seq;
Input yin("---\n"
"- 65535\n"
"- 0\n"
"- 66000\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in uint32_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(uint32_t)
TEST(YAMLIO, TestReadBuiltInTypesUint32Error) {
std::vector<uint32_t> seq;
Input yin("---\n"
"- 4000000000\n"
"- 0\n"
"- 5000000000\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in uint64_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(uint64_t)
TEST(YAMLIO, TestReadBuiltInTypesUint64Error) {
std::vector<uint64_t> seq;
Input yin("---\n"
"- 18446744073709551615\n"
"- 0\n"
"- 19446744073709551615\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int8_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(int8_t)
TEST(YAMLIO, TestReadBuiltInTypesint8OverError) {
std::vector<int8_t> seq;
Input yin("---\n"
"- -128\n"
"- 0\n"
"- 127\n"
"- 128\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int8_t type
//
TEST(YAMLIO, TestReadBuiltInTypesint8UnderError) {
std::vector<int8_t> seq;
Input yin("---\n"
"- -128\n"
"- 0\n"
"- 127\n"
"- -129\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int16_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(int16_t)
TEST(YAMLIO, TestReadBuiltInTypesint16UnderError) {
std::vector<int16_t> seq;
Input yin("---\n"
"- 32767\n"
"- 0\n"
"- -32768\n"
"- -32769\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int16_t type
//
TEST(YAMLIO, TestReadBuiltInTypesint16OverError) {
std::vector<int16_t> seq;
Input yin("---\n"
"- 32767\n"
"- 0\n"
"- -32768\n"
"- 32768\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int32_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(int32_t)
TEST(YAMLIO, TestReadBuiltInTypesint32UnderError) {
std::vector<int32_t> seq;
Input yin("---\n"
"- 2147483647\n"
"- 0\n"
"- -2147483648\n"
"- -2147483649\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int32_t type
//
TEST(YAMLIO, TestReadBuiltInTypesint32OverError) {
std::vector<int32_t> seq;
Input yin("---\n"
"- 2147483647\n"
"- 0\n"
"- -2147483648\n"
"- 2147483649\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int64_t type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(int64_t)
TEST(YAMLIO, TestReadBuiltInTypesint64UnderError) {
std::vector<int64_t> seq;
Input yin("---\n"
"- -9223372036854775808\n"
"- 0\n"
"- 9223372036854775807\n"
"- -9223372036854775809\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in int64_t type
//
TEST(YAMLIO, TestReadBuiltInTypesint64OverError) {
std::vector<int64_t> seq;
Input yin("---\n"
"- -9223372036854775808\n"
"- 0\n"
"- 9223372036854775807\n"
"- 9223372036854775809\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in float type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(float)
TEST(YAMLIO, TestReadBuiltInTypesFloatError) {
std::vector<float> seq;
Input yin("---\n"
"- 0.0\n"
"- 1000.1\n"
"- -123.456\n"
"- 1.2.3\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in float type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(double)
TEST(YAMLIO, TestReadBuiltInTypesDoubleError) {
std::vector<double> seq;
Input yin("---\n"
"- 0.0\n"
"- 1000.1\n"
"- -123.456\n"
"- 1.2.3\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in Hex8 type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(Hex8)
TEST(YAMLIO, TestReadBuiltInTypesHex8Error) {
std::vector<Hex8> seq;
Input yin("---\n"
"- 0x12\n"
"- 0xFE\n"
"- 0x123\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in Hex16 type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(Hex16)
TEST(YAMLIO, TestReadBuiltInTypesHex16Error) {
std::vector<Hex16> seq;
Input yin("---\n"
"- 0x0012\n"
"- 0xFEFF\n"
"- 0x12345\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in Hex32 type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(Hex32)
TEST(YAMLIO, TestReadBuiltInTypesHex32Error) {
std::vector<Hex32> seq;
Input yin("---\n"
"- 0x0012\n"
"- 0xFEFF0000\n"
"- 0x1234556789\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
//
// Test error handling reading built-in Hex64 type
//
LLVM_YAML_IS_SEQUENCE_VECTOR(Hex64)
TEST(YAMLIO, TestReadBuiltInTypesHex64Error) {
std::vector<Hex64> seq;
Input yin("---\n"
"- 0x0012\n"
"- 0xFFEEDDCCBBAA9988\n"
"- 0x12345567890ABCDEF0\n"
"...\n",
/*Ctxt=*/nullptr,
suppressErrorMessages);
yin >> seq;
EXPECT_TRUE(!!yin.error());
}
TEST(YAMLIO, TestMalformedMapFailsGracefully) {
FooBar doc;
{
// We pass the suppressErrorMessages handler to handle the error
// message generated in the constructor of Input.
Input yin("{foo:3, bar: 5}", /*Ctxt=*/nullptr, suppressErrorMessages);
yin >> doc;
EXPECT_TRUE(!!yin.error());
}
{
Input yin("---\nfoo:3\nbar: 5\n...\n", /*Ctxt=*/nullptr, suppressErrorMessages);
yin >> doc;
EXPECT_TRUE(!!yin.error());
}
}
struct OptionalTest {
std::vector<int> Numbers;
};
struct OptionalTestSeq {
std::vector<OptionalTest> Tests;
};
LLVM_YAML_IS_SEQUENCE_VECTOR(OptionalTest)
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<OptionalTest> {
static void mapping(IO& IO, OptionalTest &OT) {
IO.mapOptional("Numbers", OT.Numbers);
}
};
template <>
struct MappingTraits<OptionalTestSeq> {
static void mapping(IO &IO, OptionalTestSeq &OTS) {
IO.mapOptional("Tests", OTS.Tests);
}
};
}
}
TEST(YAMLIO, SequenceElideTest) {
// Test that writing out a purely optional structure with its fields set to
// default followed by other data is properly read back in.
OptionalTestSeq Seq;
OptionalTest One, Two, Three, Four;
int N[] = {1, 2, 3};
Three.Numbers.assign(N, N + 3);
Seq.Tests.push_back(One);
Seq.Tests.push_back(Two);
Seq.Tests.push_back(Three);
Seq.Tests.push_back(Four);
std::string intermediate;
{
llvm::raw_string_ostream ostr(intermediate);
Output yout(ostr);
yout << Seq;
}
Input yin(intermediate);
OptionalTestSeq Seq2;
yin >> Seq2;
EXPECT_FALSE(yin.error());
EXPECT_EQ(4UL, Seq2.Tests.size());
EXPECT_TRUE(Seq2.Tests[0].Numbers.empty());
EXPECT_TRUE(Seq2.Tests[1].Numbers.empty());
EXPECT_EQ(1, Seq2.Tests[2].Numbers[0]);
EXPECT_EQ(2, Seq2.Tests[2].Numbers[1]);
EXPECT_EQ(3, Seq2.Tests[2].Numbers[2]);
EXPECT_TRUE(Seq2.Tests[3].Numbers.empty());
}
TEST(YAMLIO, TestEmptyStringFailsForMapWithRequiredFields) {
FooBar doc;
Input yin("");
yin >> doc;
EXPECT_TRUE(!!yin.error());
}
TEST(YAMLIO, TestEmptyStringSucceedsForMapWithOptionalFields) {
OptionalTest doc;
Input yin("");
yin >> doc;
EXPECT_FALSE(yin.error());
}
TEST(YAMLIO, TestEmptyStringSucceedsForSequence) {
std::vector<uint8_t> seq;
Input yin("", /*Ctxt=*/nullptr, suppressErrorMessages);
yin >> seq;
EXPECT_FALSE(yin.error());
EXPECT_TRUE(seq.empty());
}