external-io.cpp
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// Sanity test for all external I/O modes
#include "testing.h"
#include "../../runtime/io-api.h"
#include "../../runtime/main.h"
#include "../../runtime/stop.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
using namespace Fortran::runtime::io;
void TestDirectUnformatted() {
llvm::errs() << "begin TestDirectUnformatted()\n";
// OPEN(NEWUNIT=unit,ACCESS='DIRECT',ACTION='READWRITE',&
// FORM='UNFORMATTED',RECL=8,STATUS='SCRATCH')
auto io{IONAME(BeginOpenNewUnit)(__FILE__, __LINE__)};
IONAME(SetAccess)(io, "DIRECT", 6) || (Fail() << "SetAccess(DIRECT)", 0);
IONAME(SetAction)
(io, "READWRITE", 9) || (Fail() << "SetAction(READWRITE)", 0);
IONAME(SetForm)
(io, "UNFORMATTED", 11) || (Fail() << "SetForm(UNFORMATTED)", 0);
std::int64_t buffer;
static constexpr std::size_t recl{sizeof buffer};
IONAME(SetRecl)(io, recl) || (Fail() << "SetRecl()", 0);
IONAME(SetStatus)(io, "SCRATCH", 7) || (Fail() << "SetStatus(SCRATCH)", 0);
int unit{-1};
IONAME(GetNewUnit)(io, unit) || (Fail() << "GetNewUnit()", 0);
llvm::errs() << "unit=" << unit << '\n';
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OpenNewUnit", 0);
static constexpr int records{10};
for (int j{1}; j <= records; ++j) {
// WRITE(UNIT=unit,REC=j) j
io = IONAME(BeginUnformattedOutput)(unit, __FILE__, __LINE__);
IONAME(SetRec)(io, j) || (Fail() << "SetRec(" << j << ')', 0);
buffer = j;
IONAME(OutputUnformattedBlock)
(io, reinterpret_cast<const char *>(&buffer), recl) ||
(Fail() << "OutputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for OutputUnformattedBlock", 0);
}
for (int j{records}; j >= 1; --j) {
// READ(UNIT=unit,REC=j) n
io = IONAME(BeginUnformattedInput)(unit, __FILE__, __LINE__);
IONAME(SetRec)
(io, j) || (Fail() << "SetRec(" << j << ')', 0);
IONAME(InputUnformattedBlock)
(io, reinterpret_cast<char *>(&buffer), recl) ||
(Fail() << "InputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for InputUnformattedBlock", 0);
if (buffer != j) {
Fail() << "Read back " << buffer << " from direct unformatted record "
<< j << ", expected " << j << '\n';
}
}
// CLOSE(UNIT=unit,STATUS='DELETE')
io = IONAME(BeginClose)(unit, __FILE__, __LINE__);
IONAME(SetStatus)(io, "DELETE", 6) || (Fail() << "SetStatus(DELETE)", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Close", 0);
llvm::errs() << "end TestDirectUnformatted()\n";
}
void TestSequentialFixedUnformatted() {
llvm::errs() << "begin TestSequentialFixedUnformatted()\n";
// OPEN(NEWUNIT=unit,ACCESS='SEQUENTIAL',ACTION='READWRITE',&
// FORM='UNFORMATTED',RECL=8,STATUS='SCRATCH')
auto io{IONAME(BeginOpenNewUnit)(__FILE__, __LINE__)};
IONAME(SetAccess)
(io, "SEQUENTIAL", 10) || (Fail() << "SetAccess(SEQUENTIAL)", 0);
IONAME(SetAction)
(io, "READWRITE", 9) || (Fail() << "SetAction(READWRITE)", 0);
IONAME(SetForm)
(io, "UNFORMATTED", 11) || (Fail() << "SetForm(UNFORMATTED)", 0);
std::int64_t buffer;
static constexpr std::size_t recl{sizeof buffer};
IONAME(SetRecl)(io, recl) || (Fail() << "SetRecl()", 0);
IONAME(SetStatus)(io, "SCRATCH", 7) || (Fail() << "SetStatus(SCRATCH)", 0);
int unit{-1};
IONAME(GetNewUnit)(io, unit) || (Fail() << "GetNewUnit()", 0);
llvm::errs() << "unit=" << unit << '\n';
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OpenNewUnit", 0);
static const int records{10};
for (int j{1}; j <= records; ++j) {
// DO J=1,RECORDS; WRITE(UNIT=unit) j; END DO
io = IONAME(BeginUnformattedOutput)(unit, __FILE__, __LINE__);
buffer = j;
IONAME(OutputUnformattedBlock)
(io, reinterpret_cast<const char *>(&buffer), recl) ||
(Fail() << "OutputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for OutputUnformattedBlock", 0);
}
// REWIND(UNIT=unit)
io = IONAME(BeginRewind)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Rewind", 0);
for (int j{1}; j <= records; ++j) {
// DO J=1,RECORDS; READ(UNIT=unit) n; check n; END DO
io = IONAME(BeginUnformattedInput)(unit, __FILE__, __LINE__);
IONAME(InputUnformattedBlock)
(io, reinterpret_cast<char *>(&buffer), recl) ||
(Fail() << "InputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for InputUnformattedBlock", 0);
if (buffer != j) {
Fail() << "Read back " << buffer
<< " from sequential fixed unformatted record " << j
<< ", expected " << j << '\n';
}
}
for (int j{records}; j >= 1; --j) {
// BACKSPACE(UNIT=unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (before read)", 0);
// READ(UNIT=unit) n
io = IONAME(BeginUnformattedInput)(unit, __FILE__, __LINE__);
IONAME(InputUnformattedBlock)
(io, reinterpret_cast<char *>(&buffer), recl) ||
(Fail() << "InputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for InputUnformattedBlock", 0);
if (buffer != j) {
Fail() << "Read back " << buffer
<< " from sequential fixed unformatted record " << j
<< " after backspacing, expected " << j << '\n';
}
// BACKSPACE(UNIT=unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (after read)", 0);
}
// CLOSE(UNIT=unit,STATUS='DELETE')
io = IONAME(BeginClose)(unit, __FILE__, __LINE__);
IONAME(SetStatus)(io, "DELETE", 6) || (Fail() << "SetStatus(DELETE)", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Close", 0);
llvm::errs() << "end TestSequentialFixedUnformatted()\n";
}
void TestSequentialVariableUnformatted() {
llvm::errs() << "begin TestSequentialVariableUnformatted()\n";
// OPEN(NEWUNIT=unit,ACCESS='SEQUENTIAL',ACTION='READWRITE',&
// FORM='UNFORMATTED',STATUS='SCRATCH')
auto io{IONAME(BeginOpenNewUnit)(__FILE__, __LINE__)};
IONAME(SetAccess)
(io, "SEQUENTIAL", 10) || (Fail() << "SetAccess(SEQUENTIAL)", 0);
IONAME(SetAction)
(io, "READWRITE", 9) || (Fail() << "SetAction(READWRITE)", 0);
IONAME(SetForm)
(io, "UNFORMATTED", 11) || (Fail() << "SetForm(UNFORMATTED)", 0);
IONAME(SetStatus)(io, "SCRATCH", 7) || (Fail() << "SetStatus(SCRATCH)", 0);
int unit{-1};
IONAME(GetNewUnit)(io, unit) || (Fail() << "GetNewUnit()", 0);
llvm::errs() << "unit=" << unit << '\n';
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OpenNewUnit", 0);
static const int records{10};
std::int64_t buffer[records]; // INTEGER*8 :: BUFFER(0:9) = [(j,j=0,9)]
for (int j{0}; j < records; ++j) {
buffer[j] = j;
}
for (int j{1}; j <= records; ++j) {
// DO J=1,RECORDS; WRITE(UNIT=unit) BUFFER(0:j); END DO
io = IONAME(BeginUnformattedOutput)(unit, __FILE__, __LINE__);
IONAME(OutputUnformattedBlock)
(io, reinterpret_cast<const char *>(&buffer), j * sizeof *buffer) ||
(Fail() << "OutputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for OutputUnformattedBlock", 0);
}
// REWIND(UNIT=unit)
io = IONAME(BeginRewind)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Rewind", 0);
for (int j{1}; j <= records; ++j) {
// DO J=1,RECORDS; READ(UNIT=unit) n; check n; END DO
io = IONAME(BeginUnformattedInput)(unit, __FILE__, __LINE__);
IONAME(InputUnformattedBlock)
(io, reinterpret_cast<char *>(&buffer), j * sizeof *buffer) ||
(Fail() << "InputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for InputUnformattedBlock", 0);
for (int k{0}; k < j; ++k) {
if (buffer[k] != k) {
Fail() << "Read back [" << k << "]=" << buffer[k]
<< " from direct unformatted record " << j << ", expected " << k
<< '\n';
}
}
}
for (int j{records}; j >= 1; --j) {
// BACKSPACE(unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (before read)", 0);
// READ(unit=unit) n; check
io = IONAME(BeginUnformattedInput)(unit, __FILE__, __LINE__);
IONAME(InputUnformattedBlock)
(io, reinterpret_cast<char *>(&buffer), j * sizeof *buffer) ||
(Fail() << "InputUnformattedBlock()", 0);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for InputUnformattedBlock", 0);
for (int k{0}; k < j; ++k) {
if (buffer[k] != k) {
Fail() << "Read back [" << k << "]=" << buffer[k]
<< " from sequential variable unformatted record " << j
<< ", expected " << k << '\n';
}
}
// BACKSPACE(unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (after read)", 0);
}
// CLOSE(UNIT=unit,STATUS='DELETE')
io = IONAME(BeginClose)(unit, __FILE__, __LINE__);
IONAME(SetStatus)(io, "DELETE", 6) || (Fail() << "SetStatus(DELETE)", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Close", 0);
llvm::errs() << "end TestSequentialVariableUnformatted()\n";
}
void TestDirectFormatted() {
llvm::errs() << "begin TestDirectFormatted()\n";
// OPEN(NEWUNIT=unit,ACCESS='DIRECT',ACTION='READWRITE',&
// FORM='FORMATTED',RECL=8,STATUS='SCRATCH')
auto io{IONAME(BeginOpenNewUnit)(__FILE__, __LINE__)};
IONAME(SetAccess)(io, "DIRECT", 6) || (Fail() << "SetAccess(DIRECT)", 0);
IONAME(SetAction)
(io, "READWRITE", 9) || (Fail() << "SetAction(READWRITE)", 0);
IONAME(SetForm)
(io, "FORMATTED", 9) || (Fail() << "SetForm(FORMATTED)", 0);
static constexpr std::size_t recl{8};
IONAME(SetRecl)(io, recl) || (Fail() << "SetRecl()", 0);
IONAME(SetStatus)(io, "SCRATCH", 7) || (Fail() << "SetStatus(SCRATCH)", 0);
int unit{-1};
IONAME(GetNewUnit)(io, unit) || (Fail() << "GetNewUnit()", 0);
llvm::errs() << "unit=" << unit << '\n';
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OpenNewUnit", 0);
static constexpr int records{10};
static const char fmt[]{"(I4)"};
for (int j{1}; j <= records; ++j) {
// WRITE(UNIT=unit,FMT=fmt,REC=j) j
io = IONAME(BeginExternalFormattedOutput)(
fmt, sizeof fmt - 1, unit, __FILE__, __LINE__);
IONAME(SetRec)(io, j) || (Fail() << "SetRec(" << j << ')', 0);
IONAME(OutputInteger64)(io, j) || (Fail() << "OutputInteger64()", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OutputInteger64", 0);
}
for (int j{records}; j >= 1; --j) {
// READ(UNIT=unit,FMT=fmt,REC=j) n
io = IONAME(BeginExternalFormattedInput)(
fmt, sizeof fmt - 1, unit, __FILE__, __LINE__);
IONAME(SetRec)(io, j) || (Fail() << "SetRec(" << j << ')', 0);
std::int64_t buffer;
IONAME(InputInteger)(io, buffer) || (Fail() << "InputInteger()", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for InputInteger", 0);
if (buffer != j) {
Fail() << "Read back " << buffer << " from direct formatted record " << j
<< ", expected " << j << '\n';
}
}
// CLOSE(UNIT=unit,STATUS='DELETE')
io = IONAME(BeginClose)(unit, __FILE__, __LINE__);
IONAME(SetStatus)(io, "DELETE", 6) || (Fail() << "SetStatus(DELETE)", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Close", 0);
llvm::errs() << "end TestDirectformatted()\n";
}
void TestSequentialVariableFormatted() {
llvm::errs() << "begin TestSequentialVariableFormatted()\n";
// OPEN(NEWUNIT=unit,ACCESS='SEQUENTIAL',ACTION='READWRITE',&
// FORM='FORMATTED',STATUS='SCRATCH')
auto io{IONAME(BeginOpenNewUnit)(__FILE__, __LINE__)};
IONAME(SetAccess)
(io, "SEQUENTIAL", 10) || (Fail() << "SetAccess(SEQUENTIAL)", 0);
IONAME(SetAction)
(io, "READWRITE", 9) || (Fail() << "SetAction(READWRITE)", 0);
IONAME(SetForm)
(io, "FORMATTED", 9) || (Fail() << "SetForm(FORMATTED)", 0);
IONAME(SetStatus)(io, "SCRATCH", 7) || (Fail() << "SetStatus(SCRATCH)", 0);
int unit{-1};
IONAME(GetNewUnit)(io, unit) || (Fail() << "GetNewUnit()", 0);
llvm::errs() << "unit=" << unit << '\n';
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OpenNewUnit", 0);
static const int records{10};
std::int64_t buffer[records]; // INTEGER*8 :: BUFFER(0:9) = [(j,j=0,9)]
for (int j{0}; j < records; ++j) {
buffer[j] = j;
}
char fmt[32];
for (int j{1}; j <= records; ++j) {
std::snprintf(fmt, sizeof fmt, "(%dI4)", j);
// DO J=1,RECORDS; WRITE(UNIT=unit,FMT=fmt) BUFFER(0:j); END DO
io = IONAME(BeginExternalFormattedOutput)(
fmt, std::strlen(fmt), unit, __FILE__, __LINE__);
for (int k{0}; k < j; ++k) {
IONAME(OutputInteger64)
(io, buffer[k]) || (Fail() << "OutputInteger64()", 0);
}
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for OutputInteger64", 0);
}
// REWIND(UNIT=unit)
io = IONAME(BeginRewind)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Rewind", 0);
for (int j{1}; j <= records; ++j) {
std::snprintf(fmt, sizeof fmt, "(%dI4)", j);
// DO J=1,RECORDS; READ(UNIT=unit,FMT=fmt) n; check n; END DO
io = IONAME(BeginExternalFormattedInput)(
fmt, std::strlen(fmt), unit, __FILE__, __LINE__);
std::int64_t check[records];
for (int k{0}; k < j; ++k) {
IONAME(InputInteger)(io, check[k]) || (Fail() << "InputInteger()", 0);
}
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for InputInteger", 0);
for (int k{0}; k < j; ++k) {
if (buffer[k] != check[k]) {
Fail() << "Read back [" << k << "]=" << check[k]
<< " from sequential variable formatted record " << j
<< ", expected " << buffer[k] << '\n';
}
}
}
for (int j{records}; j >= 1; --j) {
// BACKSPACE(unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (before read)", 0);
std::snprintf(fmt, sizeof fmt, "(%dI4)", j);
// READ(UNIT=unit,FMT=fmt) n; check
io = IONAME(BeginExternalFormattedInput)(
fmt, std::strlen(fmt), unit, __FILE__, __LINE__);
std::int64_t check[records];
for (int k{0}; k < j; ++k) {
IONAME(InputInteger)(io, check[k]) || (Fail() << "InputInteger()", 0);
}
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for InputInteger", 0);
for (int k{0}; k < j; ++k) {
if (buffer[k] != check[k]) {
Fail() << "Read back [" << k << "]=" << buffer[k]
<< " from sequential variable formatted record " << j
<< ", expected " << buffer[k] << '\n';
}
}
// BACKSPACE(unit)
io = IONAME(BeginBackspace)(unit, __FILE__, __LINE__);
IONAME(EndIoStatement)
(io) == IostatOk ||
(Fail() << "EndIoStatement() for Backspace (after read)", 0);
}
// CLOSE(UNIT=unit,STATUS='DELETE')
io = IONAME(BeginClose)(unit, __FILE__, __LINE__);
IONAME(SetStatus)(io, "DELETE", 6) || (Fail() << "SetStatus(DELETE)", 0);
IONAME(EndIoStatement)
(io) == IostatOk || (Fail() << "EndIoStatement() for Close", 0);
llvm::errs() << "end TestSequentialVariableFormatted()\n";
}
void TestStreamUnformatted() {
// TODO
}
int main() {
StartTests();
TestDirectUnformatted();
TestSequentialFixedUnformatted();
TestSequentialVariableUnformatted();
TestDirectFormatted();
TestSequentialVariableFormatted();
TestStreamUnformatted();
return EndTests();
}