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llvm-project/flang/unittests/Runtime/NumericalFormatTest.cpp
Peter Klausler 212beb66f8
[flang] When formatting integers for Gw.d/Gw.dEe output, only 'w' matters 
Leading zeros should appear only for Iw.m output formatting.
Gw, Gw.d, and Gw.dEe output editing all map to Iw with no ".m"
(Fortran 202X 13.7.5.2.2).

Differential Revision: https://reviews.llvm.org/D159037
2023-08-29 09:33:10 -07:00

839 lines
36 KiB
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//===-- flang/unittests/Runtime/NumericalFormatTest.cpp ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CrashHandlerFixture.h"
#include "flang/Runtime/descriptor.h"
#include "flang/Runtime/io-api.h"
#include <algorithm>
#include <array>
#include <cstring>
#include <gtest/gtest.h>
#include <tuple>
using namespace Fortran::runtime;
using namespace Fortran::runtime::io;
static bool CompareFormattedStrings(
const std::string &expect, const std::string &got) {
std::string want{expect};
want.resize(got.size(), ' ');
return want == got;
}
static bool CompareFormattedStrings(
const char *expect, const std::string &&got) {
return CompareFormattedStrings(std::string(expect), std::move(got));
}
// Perform format and compare the result with expected value
static bool CompareFormatReal(
const char *format, double x, const char *expect, std::string &got) {
char buffer[800];
auto cookie{IONAME(BeginInternalFormattedOutput)(
buffer, sizeof buffer, format, std::strlen(format))};
EXPECT_TRUE(IONAME(OutputReal64)(cookie, x));
auto status{IONAME(EndIoStatement)(cookie)};
EXPECT_EQ(status, 0);
got = std::string{buffer, sizeof buffer};
auto lastNonBlank{got.find_last_not_of(" ")};
if (lastNonBlank != std::string::npos) {
got.resize(lastNonBlank + 1);
}
return CompareFormattedStrings(expect, got);
}
// Convert raw uint64 into double, perform format, and compare with expected
static bool CompareFormatReal(const char *format, std::uint64_t xInt,
const char *expect, std::string &got) {
double x;
static_assert(sizeof(double) == sizeof(std::uint64_t),
"Size of double != size of uint64_t!");
std::memcpy(&x, &xInt, sizeof xInt);
return CompareFormatReal(format, x, expect, got);
}
static bool CompareFormatInteger(
const char *format, std::int64_t x, const char *expect, std::string &got) {
char buffer[800];
auto cookie{IONAME(BeginInternalFormattedOutput)(
buffer, sizeof buffer, format, std::strlen(format))};
EXPECT_TRUE(IONAME(OutputInteger64)(cookie, x));
auto status{IONAME(EndIoStatement)(cookie)};
EXPECT_EQ(status, 0);
got = std::string{buffer, sizeof buffer};
auto lastNonBlank{got.find_last_not_of(" ")};
if (lastNonBlank != std::string::npos) {
got.resize(lastNonBlank + 1);
}
return CompareFormattedStrings(expect, got);
}
struct IOApiTests : CrashHandlerFixture {};
TEST(IOApiTests, HelloWorldOutputTest) {
static constexpr int bufferSize{32};
char buffer[bufferSize];
// Create format for all types and values to be written
const char *format{"(6HHELLO,,A6,2X,I3,1X,'0x',Z8,1X,L1)"};
auto cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
// Write string, integer, and logical values to buffer
IONAME(OutputAscii)(cookie, "WORLD", 5);
IONAME(OutputInteger64)(cookie, 678);
IONAME(OutputInteger32)(cookie, 0xfeedface);
IONAME(OutputLogical)(cookie, true);
// Ensure IO succeeded
auto status{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(status, 0) << "hello: '" << format << "' failed, status "
<< static_cast<int>(status);
// Ensure final buffer matches expected string output
static const std::string expect{"HELLO, WORLD 678 0xFEEDFACE T"};
ASSERT_TRUE(
CompareFormattedStrings(expect, std::string{buffer, sizeof buffer}))
<< "Expected '" << expect << "', got " << buffer;
}
TEST(IOApiTests, MultilineOutputTest) {
// Allocate buffer for multiline output
static constexpr int numLines{5};
static constexpr int lineLength{32};
char buffer[numLines][lineLength];
// Create descriptor for entire buffer
static constexpr int staticDescriptorMaxRank{1};
StaticDescriptor<staticDescriptorMaxRank> wholeStaticDescriptor;
Descriptor &whole{wholeStaticDescriptor.descriptor()};
static const SubscriptValue extent[]{numLines};
whole.Establish(TypeCode{CFI_type_char}, /*elementBytes=*/lineLength, &buffer,
staticDescriptorMaxRank, extent, CFI_attribute_pointer);
whole.Dump(stderr);
whole.Check();
// Create descriptor for buffer section
StaticDescriptor<staticDescriptorMaxRank> sectionStaticDescriptor;
Descriptor &section{sectionStaticDescriptor.descriptor()};
static const SubscriptValue lowers[]{0}, uppers[]{4}, strides[]{1};
section.Establish(whole.type(), /*elementBytes=*/whole.ElementBytes(),
nullptr, /*maxRank=*/staticDescriptorMaxRank, extent,
CFI_attribute_pointer);
// Ensure C descriptor address `section.raw()` is updated without error
const auto error{
CFI_section(&section.raw(), &whole.raw(), lowers, uppers, strides)};
ASSERT_EQ(error, 0) << "multiline: CFI_section failed: " << error;
section.Dump(stderr);
section.Check();
// Create format string and initialize IO operation
const char *format{
"('?abcde,',T1,'>',T9,A,TL12,A,TR25,'<'//G0,17X,'abcd',1(2I4))"};
auto cookie{IONAME(BeginInternalArrayFormattedOutput)(
section, format, std::strlen(format))};
// Fill last line with periods
std::memset(buffer[numLines - 1], '.', lineLength);
// Write data to buffer
IONAME(OutputAscii)(cookie, "WORLD", 5);
IONAME(OutputAscii)(cookie, "HELLO", 5);
IONAME(OutputInteger64)(cookie, 789);
for (int j{666}; j <= 999; j += 111) {
IONAME(OutputInteger64)(cookie, j);
}
// Ensure no errors occured in write operations above
const auto status{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(status, 0) << "multiline: '" << format << "' failed, status "
<< static_cast<int>(status);
static const std::string expect{">HELLO, WORLD <"
" "
"789 abcd 666 777"
" 888 999 "
"................................"};
// Ensure formatted string matches expected output
EXPECT_TRUE(
CompareFormattedStrings(expect, std::string{buffer[0], sizeof buffer}))
<< "Expected '" << expect << "' but got '"
<< std::string{buffer[0], sizeof buffer} << "'";
}
TEST(IOApiTests, ListInputTest) {
static const char input[]{",1*,(5.,6.),(7.0,8.0)"};
auto cookie{IONAME(BeginInternalListInput)(input, sizeof input - 1)};
// Create real values for IO tests
static constexpr int numRealValues{8};
float z[numRealValues];
for (int j{0}; j < numRealValues; ++j) {
z[j] = -(j + 1);
}
// Ensure reading complex values to floats does not result in an error
for (int j{0}; j < numRealValues; j += 2) {
ASSERT_TRUE(IONAME(InputComplex32)(cookie, &z[j]))
<< "InputComplex32 failed with value " << z[j];
}
// Ensure no IO errors occured during IO operations above
auto status{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(status, 0) << "Failed complex list-directed input, status "
<< static_cast<int>(status);
// Ensure writing complex values from floats does not result in an error
static constexpr int bufferSize{39};
char output[bufferSize];
output[bufferSize - 1] = '\0';
cookie = IONAME(BeginInternalListOutput)(output, bufferSize - 1);
for (int j{0}; j < numRealValues; j += 2) {
ASSERT_TRUE(IONAME(OutputComplex32)(cookie, z[j], z[j + 1]))
<< "OutputComplex32 failed when outputting value " << z[j] << ", "
<< z[j + 1];
}
// Ensure no IO errors occured during IO operations above
status = IONAME(EndIoStatement)(cookie);
ASSERT_EQ(status, 0) << "Failed complex list-directed output, status "
<< static_cast<int>(status);
// Verify output buffer against expected value
static const char expect[bufferSize]{
" (-1.,-2.) (-3.,-4.) (5.,6.) (7.,8.) "};
ASSERT_EQ(std::strncmp(output, expect, bufferSize), 0)
<< "Failed complex list-directed output, expected '" << expect
<< "', but got '" << output << "'";
}
TEST(IOApiTests, DescriptorOutputTest) {
static constexpr int bufferSize{10};
char buffer[bufferSize];
const char *format{"(2A4)"};
auto cookie{IONAME(BeginInternalFormattedOutput)(
buffer, bufferSize, format, std::strlen(format))};
// Create descriptor for output
static constexpr int staticDescriptorMaxRank{1};
StaticDescriptor<staticDescriptorMaxRank> staticDescriptor;
Descriptor &desc{staticDescriptor.descriptor()};
static constexpr int subscriptExtent{2};
static const SubscriptValue extent[]{subscriptExtent};
// Manually write to descriptor buffer
static constexpr int dataLength{4};
char data[subscriptExtent][dataLength];
std::memcpy(data[0], "ABCD", dataLength);
std::memcpy(data[1], "EFGH", dataLength);
desc.Establish(TypeCode{CFI_type_char}, dataLength, &data,
staticDescriptorMaxRank, extent);
desc.Dump(stderr);
desc.Check();
IONAME(OutputDescriptor)(cookie, desc);
// Ensure no errors were encountered in initializing the cookie and descriptor
auto formatStatus{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(formatStatus, 0)
<< "descrOutputTest: '" << format << "' failed, status "
<< static_cast<int>(formatStatus);
// Ensure buffer matches expected output
EXPECT_TRUE(
CompareFormattedStrings("ABCDEFGH ", std::string{buffer, sizeof buffer}))
<< "descrOutputTest: formatted: got '"
<< std::string{buffer, sizeof buffer} << "'";
// Begin list-directed output on cookie by descriptor
cookie = IONAME(BeginInternalListOutput)(buffer, sizeof buffer);
IONAME(OutputDescriptor)(cookie, desc);
// Ensure list-directed output does not result in an IO error
auto listDirectedStatus{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(listDirectedStatus, 0)
<< "descrOutputTest: list-directed failed, status "
<< static_cast<int>(listDirectedStatus);
// Ensure buffer matches expected output
EXPECT_TRUE(
CompareFormattedStrings(" ABCDEFGH ", std::string{buffer, sizeof buffer}))
<< "descrOutputTest: list-directed: got '"
<< std::string{buffer, sizeof buffer} << "'";
}
//------------------------------------------------------------------------------
/// Tests for output formatting real values
//------------------------------------------------------------------------------
TEST(IOApiTests, FormatZeroes) {
static constexpr std::pair<const char *, const char *> zeroes[]{
{"(E32.17,';')", " 0.00000000000000000E+00;"},
{"(F32.17,';')", " 0.00000000000000000;"},
{"(G32.17,';')", " 0.0000000000000000 ;"},
{"(DC,E32.17,';')", " 0,00000000000000000E+00;"},
{"(DC,F32.17,';')", " 0,00000000000000000;"},
{"(DC,G32.17,';')", " 0,0000000000000000 ;"},
{"(D32.17,';')", " 0.00000000000000000D+00;"},
{"(E32.17E1,';')", " 0.00000000000000000E+0;"},
{"(G32.17E1,';')", " 0.0000000000000000 ;"},
{"(E32.17E0,';')", " 0.00000000000000000E+0;"},
{"(G32.17E0,';')", " 0.0000000000000000 ;"},
{"(1P,E32.17,';')", " 0.00000000000000000E+00;"},
{"(1PE32.17,';')", " 0.00000000000000000E+00;"}, // no comma
{"(1P,F32.17,';')", " 0.00000000000000000;"},
{"(1P,G32.17,';')", " 0.0000000000000000 ;"},
{"(2P,E32.17,';')", " 00.0000000000000000E+00;"},
{"(-1P,E32.17,';')", " 0.00000000000000000E+00;"},
{"(G0,';')", "0.;"},
};
for (auto const &[format, expect] : zeroes) {
std::string got;
ASSERT_TRUE(CompareFormatReal(format, 0.0, expect, got))
<< "Failed to format " << format << ", expected '" << expect
<< "', got '" << got << "'";
}
}
TEST(IOApiTests, FormatOnes) {
static constexpr std::pair<const char *, const char *> ones[]{
{"(E32.17,';')", " 0.10000000000000000E+01;"},
{"(F32.17,';')", " 1.00000000000000000;"},
{"(G32.17,';')", " 1.0000000000000000 ;"},
{"(E32.17E1,';')", " 0.10000000000000000E+1;"},
{"(G32.17E1,';')", " 1.0000000000000000 ;"},
{"(E32.17E0,';')", " 0.10000000000000000E+1;"},
{"(G32.17E0,';')", " 1.0000000000000000 ;"},
{"(E32.17E4,';')", " 0.10000000000000000E+0001;"},
{"(G32.17E4,';')", " 1.0000000000000000 ;"},
{"(1P,E32.17,';')", " 1.00000000000000000E+00;"},
{"(1PE32.17,';')", " 1.00000000000000000E+00;"}, // no comma
{"(1P,F32.17,';')", " 10.00000000000000000;"},
{"(1P,G32.17,';')", " 1.0000000000000000 ;"},
{"(ES32.17,';')", " 1.00000000000000000E+00;"},
{"(2P,E32.17,';')", " 10.0000000000000000E-01;"},
{"(2P,G32.17,';')", " 1.0000000000000000 ;"},
{"(-1P,E32.17,';')", " 0.01000000000000000E+02;"},
{"(-1P,G32.17,';')", " 1.0000000000000000 ;"},
{"(G0,';')", "1.;"},
};
for (auto const &[format, expect] : ones) {
std::string got;
ASSERT_TRUE(CompareFormatReal(format, 1.0, expect, got))
<< "Failed to format " << format << ", expected '" << expect
<< "', got '" << got << "'";
}
}
TEST(IOApiTests, FormatNegativeOnes) {
static constexpr std::tuple<const char *, const char *> negOnes[]{
{"(E32.17,';')", " -0.10000000000000000E+01;"},
{"(F32.17,';')", " -1.00000000000000000;"},
{"(G32.17,';')", " -1.0000000000000000 ;"},
{"(G0,';')", "-1.;"},
};
for (auto const &[format, expect] : negOnes) {
std::string got;
ASSERT_TRUE(CompareFormatReal(format, -1.0, expect, got))
<< "Failed to format " << format << ", expected '" << expect
<< "', got '" << got << "'";
}
}
// Each test case contains a raw uint64, a format string for a real value, and
// the expected resulting string from formatting the raw uint64. The double
// representation of the uint64 is commented above each test case.
TEST(IOApiTests, FormatDoubleValues) {
using TestCaseTy = std::tuple<std::uint64_t,
std::vector<std::tuple<const char *, const char *>>>;
static const std::vector<TestCaseTy> testCases{
{// -0
0x8000000000000000,
{
{"(E9.1,';')", " -0.0E+00;"},
{"(F4.0,';')", " -0.;"},
{"(F0.1,';')", "-.0;"},
{"(G8.0,';')", "-0.0E+00;"},
{"(G8.1,';')", " -0. ;"},
{"(G0,';')", "-0.;"},
{"(E9.1,';')", " -0.0E+00;"},
}},
{// +Inf
0x7ff0000000000000,
{
{"(E9.1,';')", " Inf;"},
{"(F9.1,';')", " Inf;"},
{"(G9.1,';')", " Inf;"},
{"(SP,E9.1,';')", " +Inf;"},
{"(SP,F9.1,';')", " +Inf;"},
{"(SP,G9.1,';')", " +Inf;"},
{"(G0,';')", "Inf;"},
}},
{// -Inf
0xfff0000000000000,
{
{"(E9.1,';')", " -Inf;"},
{"(F9.1,';')", " -Inf;"},
{"(G9.1,';')", " -Inf;"},
{"(G0,';')", "-Inf;"},
}},
{// NaN
0x7ff0000000000001,
{
{"(E9.1,';')", " NaN;"},
{"(F9.1,';')", " NaN;"},
{"(G9.1,';')", " NaN;"},
{"(G0,';')", "NaN;"},
}},
{// NaN (sign irrelevant)
0xfff0000000000001,
{
{"(E9.1,';')", " NaN;"},
{"(F9.1,';')", " NaN;"},
{"(G9.1,';')", " NaN;"},
{"(SP,E9.1,';')", " NaN;"},
{"(SP,F9.1,';')", " NaN;"},
{"(SP,G9.1,';')", " NaN;"},
{"(G0,';')", "NaN;"},
}},
{// 0.1 rounded
0x3fb999999999999a,
{
{"(E62.55,';')",
" 0.1000000000000000055511151231257827021181583404541015625E+"
"00;"},
{"(E0.0,';')", ".1E+00;"},
{"(E0.55,';')",
".1000000000000000055511151231257827021181583404541015625E+"
"00;"},
{"(E0,';')", ".1E+00;"},
{"(F58.55,';')",
" 0."
"1000000000000000055511151231257827021181583404541015625;"},
{"(F0.0,';')", "0.;"},
{"(F0.55,';')",
".1000000000000000055511151231257827021181583404541015625;"},
{"(F0,';')", ".1;"},
{"(G62.55,';')",
" 0.1000000000000000055511151231257827021181583404541015625 "
" ;"},
{"(G0.0,';')", "0.;"},
{"(G0.55,';')",
".1000000000000000055511151231257827021181583404541015625;"},
{"(G0,';')", ".1;"},
}},
{// 1.5
0x3ff8000000000000,
{
{"(E9.2,';')", " 0.15E+01;"},
{"(F4.1,';')", " 1.5;"},
{"(G7.1,';')", " 2. ;"},
{"(RN,E8.1,';')", " 0.2E+01;"},
{"(RN,F3.0,';')", " 2.;"},
{"(RN,G7.0,';')", " 0.E+01;"},
{"(RN,G7.1,';')", " 2. ;"},
{"(RD,E8.1,';')", " 0.1E+01;"},
{"(RD,F3.0,';')", " 1.;"},
{"(RD,G7.0,';')", " 0.E+01;"},
{"(RD,G7.1,';')", " 1. ;"},
{"(RU,E8.1,';')", " 0.2E+01;"},
{"(RU,G7.0,';')", " 0.E+01;"},
{"(RU,G7.1,';')", " 2. ;"},
{"(RZ,E8.1,';')", " 0.1E+01;"},
{"(RZ,F3.0,';')", " 1.;"},
{"(RZ,G7.0,';')", " 0.E+01;"},
{"(RZ,G7.1,';')", " 1. ;"},
{"(RC,E8.1,';')", " 0.2E+01;"},
{"(RC,F3.0,';')", " 2.;"},
{"(RC,G7.0,';')", " 0.E+01;"},
{"(RC,G7.1,';')", " 2. ;"},
}},
{// -1.5
0xbff8000000000000,
{
{"(E9.2,';')", "-0.15E+01;"},
{"(RN,E8.1,';')", "-0.2E+01;"},
{"(RD,E8.1,';')", "-0.2E+01;"},
{"(RU,E8.1,';')", "-0.1E+01;"},
{"(RZ,E8.1,';')", "-0.1E+01;"},
{"(RC,E8.1,';')", "-0.2E+01;"},
}},
{// 2.5
0x4004000000000000,
{
{"(E9.2,';')", " 0.25E+01;"},
{"(RN,E8.1,';')", " 0.2E+01;"},
{"(RD,E8.1,';')", " 0.2E+01;"},
{"(RU,E8.1,';')", " 0.3E+01;"},
{"(RZ,E8.1,';')", " 0.2E+01;"},
{"(RC,E8.1,';')", " 0.3E+01;"},
}},
{// -2.5
0xc004000000000000,
{
{"(E9.2,';')", "-0.25E+01;"},
{"(RN,E8.1,';')", "-0.2E+01;"},
{"(RD,E8.1,';')", "-0.3E+01;"},
{"(RU,E8.1,';')", "-0.2E+01;"},
{"(RZ,E8.1,';')", "-0.2E+01;"},
{"(RC,E8.1,';')", "-0.3E+01;"},
}},
{// least positive nonzero subnormal
1,
{
{"(E32.17,';')", " 0.49406564584124654-323;"},
{"(ES32.17,';')", " 4.94065645841246544-324;"},
{"(EN32.17,';')", " 4.94065645841246544-324;"},
{"(E759.752,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"75386825064197182655334472656250-323;"},
{"(G0,';')", ".5E-323;"},
{"(E757.750,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"753868250641971826553344726562-323;"},
{"(RN,E757.750,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"753868250641971826553344726562-323;"},
{"(RD,E757.750,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"753868250641971826553344726562-323;"},
{"(RU,E757.750,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"753868250641971826553344726563-323;"},
{"(RC,E757.750,';')",
" 0."
"494065645841246544176568792868221372365059802614324764425585"
"682500675507270208751865299836361635992379796564695445717730"
"926656710355939796398774796010781878126300713190311404527845"
"817167848982103688718636056998730723050006387409153564984387"
"312473397273169615140031715385398074126238565591171026658556"
"686768187039560310624931945271591492455329305456544401127480"
"129709999541931989409080416563324524757147869014726780159355"
"238611550134803526493472019379026810710749170333222684475333"
"572083243193609238289345836806010601150616980975307834227731"
"832924790498252473077637592724787465608477820373446969953364"
"701797267771758512566055119913150489110145103786273816725095"
"583738973359899366480994116420570263709027924276754456522908"
"753868250641971826553344726563-323;"},
}},
{// least positive nonzero normal
0x10000000000000,
{
{"(E723.716,';')",
" 0."
"222507385850720138309023271733240406421921598046233183055332"
"741688720443481391819585428315901251102056406733973103581100"
"515243416155346010885601238537771882113077799353200233047961"
"014744258363607192156504694250373420837525080665061665815894"
"872049117996859163964850063590877011830487479978088775374994"
"945158045160505091539985658247081864511353793580499211598108"
"576605199243335211435239014879569960959128889160299264151106"
"346631339366347758651302937176204732563178148566435087212282"
"863764204484681140761391147706280168985324411002416144742161"
"856716615054015428508471675290190316132277889672970737312333"
"408698898317506783884692609277397797285865965494109136909540"
"61364675687023986783152906809846172109246253967285156250-"
"307;"},
{"(G0,';')", ".22250738585072014E-307;"},
}},
{// greatest finite
0x7fefffffffffffffuLL,
{
{"(E32.17,';')", " 0.17976931348623157+309;"},
{"(E317.310,';')",
" 0."
"179769313486231570814527423731704356798070567525844996598917"
"476803157260780028538760589558632766878171540458953514382464"
"234321326889464182768467546703537516986049910576551282076245"
"490090389328944075868508455133942304583236903222948165808559"
"332123348274797826204144723168738177180919299881250404026184"
"1248583680+309;"},
{"(ES317.310,';')",
" 1."
"797693134862315708145274237317043567980705675258449965989174"
"768031572607800285387605895586327668781715404589535143824642"
"343213268894641827684675467035375169860499105765512820762454"
"900903893289440758685084551339423045832369032229481658085593"
"321233482747978262041447231687381771809192998812504040261841"
"2485836800+308;"},
{"(EN319.310,';')",
" 179."
"769313486231570814527423731704356798070567525844996598917476"
"803157260780028538760589558632766878171540458953514382464234"
"321326889464182768467546703537516986049910576551282076245490"
"090389328944075868508455133942304583236903222948165808559332"
"123348274797826204144723168738177180919299881250404026184124"
"8583680000+306;"},
{"(G0,';')", ".17976931348623157E+309;"},
}},
};
for (auto const &[value, cases] : testCases) {
for (auto const &[format, expect] : cases) {
std::string got;
ASSERT_TRUE(CompareFormatReal(format, value, expect, got))
<< "Failed to format " << format << ", expected '" << expect
<< "', got '" << got << "'";
}
}
using IndividualTestCaseTy = std::tuple<const char *, double, const char *>;
static const std::vector<IndividualTestCaseTy> individualTestCases{
{"(F5.3,';')", 25., "*****;"},
{"(F5.3,';')", 2.5, "2.500;"},
{"(F5.3,';')", 0.25, "0.250;"},
{"(F5.3,';')", 0.025, "0.025;"},
{"(F5.3,';')", 0.0025, "0.003;"},
{"(F5.3,';')", 0.00025, "0.000;"},
{"(F5.3,';')", 0.000025, "0.000;"},
{"(F5.3,';')", -25., "*****;"},
{"(F5.3,';')", -2.5, "*****;"},
{"(F5.3,';')", -0.25, "-.250;"},
{"(F5.3,';')", -0.025, "-.025;"},
{"(F5.3,';')", -0.0025, "-.003;"},
{"(F5.3,';')", -0.00025, "-.000;"},
{"(F5.3,';')", -0.000025, "-.000;"},
{"(F5.3,';')", 99.999, "*****;"},
{"(F5.3,';')", 9.9999, "*****;"},
{"(F5.3,';')", 0.99999, "1.000;"},
{"(F5.3,';')", 0.099999, "0.100;"},
{"(F5.3,';')", 0.0099999, "0.010;"},
{"(F5.3,';')", 0.00099999, "0.001;"},
{"(F5.3,';')", 0.0005, "0.001;"},
{"(F5.3,';')", 0.00049999, "0.000;"},
{"(F5.3,';')", 0.000099999, "0.000;"},
{"(F5.3,';')", -99.999, "*****;"},
{"(F5.3,';')", -9.9999, "*****;"},
{"(F5.3,';')", -0.99999, "*****;"},
{"(F5.3,';')", -0.099999, "-.100;"},
{"(F5.3,';')", -0.0099999, "-.010;"},
{"(F5.3,';')", -0.00099999, "-.001;"},
{"(F5.3,';')", -0.0005, "-.001;"},
{"(F5.3,';')", -0.00049999, "-.000;"},
{"(F5.3,';')", -0.000099999, "-.000;"},
{"(F0.1,';')", 0.0, ".0;"},
};
for (auto const &[format, value, expect] : individualTestCases) {
std::string got;
ASSERT_TRUE(CompareFormatReal(format, value, expect, got))
<< "Failed to format " << format << ", expected '" << expect
<< "', got '" << got << "'";
}
// Problematic EN formatting edge cases with rounding
using IndividualENTestCaseTy = std::tuple<std::uint64_t, const char *>;
static const std::vector<IndividualENTestCaseTy> individualENTestCases{
{0x3E11183197785F8C, " 995.0E-12"}, // 0.9950312500000000115852E-09
{0x3E11180E68455D30, " 995.0E-12"}, // 0.9949999999999999761502E-09
{0x3E112BD8F4F6B0D7, " 999.5E-12"}, // 0.9994999999999999089118E-09
{0x3E45794883CA8782, " 10.0E-09"}, // 0.9999499999999999642266E-08
{0x3F506218230C7482, " 999.9E-06"}, // 0.9999499999999998840761E-03
{0x3FB99652BD3C3612, " 100.0E-03"}, // 0.9999500000000000055067E+00
{0x4023E66666666667, " 10.0E+00"}, // 0.9950000000000001065814E+01
};
for (auto const &[value, expect] : individualENTestCases) {
std::string got;
ASSERT_TRUE(CompareFormatReal("(EN10.1)", value, expect, got))
<< "Failed to format EN10.1, expected '" << expect << "', got '" << got
<< "'";
}
}
TEST(IOApiTests, FormatIntegerValues) {
using IntTestCaseTy = std::tuple<const char *, std::int64_t, const char *>;
static const std::vector<IntTestCaseTy> intTestCases{
{"(I4)", 0, " 0"},
{"(I4)", 1, " 1"},
{"(I4)", 9999, "9999"},
{"(SP,I4)", 1, " +1"},
{"(SP,I4)", 9999, "****"},
{"(SP,I4)", 999, "+999"},
{"(I4)", -1, " -1"},
{"(I4)", -9999, "****"},
{"(I4)", -999, "-999"},
{"(I4.2)", 1, " 01"},
{"(I4.2)", -1, " -01"},
{"(I4.2)", 999, " 999"},
{"(I4.4)", 999, "0999"},
{"(I0)", 0, "0"},
{"(I0)", 1, "1"},
{"(I0)", 9999, "9999"},
{"(SP,I0)", 1, "+1"},
{"(SP,I0)", 9999, "+9999"},
{"(SP,I0)", 999, "+999"},
{"(I0)", -1, "-1"},
{"(I0)", -9999, "-9999"},
{"(I0)", -999, "-999"},
{"(I0.2)", 1, "01"},
{"(I0.2)", -1, "-01"},
{"(I0.2)", 999, "999"},
{"(I0.4)", 999, "0999"},
{"(G4)", 0, " 0"},
{"(G4)", 1, " 1"},
{"(G4)", 9999, "9999"},
{"(SP,G4)", 1, " +1"},
{"(SP,G4)", 9999, "****"},
{"(SP,G4)", 999, "+999"},
{"(G4)", -1, " -1"},
{"(G4)", -9999, "****"},
{"(G4)", -999, "-999"},
{"(G4.2)", 1, " 1"},
{"(G4.2)", -1, " -1"},
{"(G4.2)", 999, " 999"},
{"(G4.4)", 999, " 999"},
{"(G0)", 0, "0"},
{"(G0)", 1, "1"},
{"(G0)", 9999, "9999"},
{"(SP,G0)", 1, "+1"},
{"(SP,G0)", 9999, "+9999"},
{"(SP,G0)", 999, "+999"},
{"(G0)", -1, "-1"},
{"(G0)", -9999, "-9999"},
{"(G0)", -999, "-999"},
{"(G0.2)", 1, "1"},
{"(G0.2)", -1, "-1"},
{"(G0.2)", 999, "999"},
{"(G0.4)", 999, "999"},
};
for (auto const &[fmt, value, expect] : intTestCases) {
std::string got;
ASSERT_TRUE(CompareFormatInteger(fmt, value, expect, got))
<< "Failed to format " << fmt << ", expected '" << expect << "', got '"
<< got << "'";
}
}
//------------------------------------------------------------------------------
/// Tests for input formatting real values
//------------------------------------------------------------------------------
// Ensure double input values correctly map to raw uint64 values
TEST(IOApiTests, FormatDoubleInputValues) {
using TestCaseTy = std::tuple<const char *, const char *, std::uint64_t>;
static const std::vector<TestCaseTy> testCases{
{"(F18.0)", " 0", 0x0},
{"(F18.0)", " ", 0x0},
{"(F18.0)", " -0", 0x8000000000000000},
{"(F18.0)", " 01", 0x3ff0000000000000},
{"(F18.0)", " 1", 0x3ff0000000000000},
{"(F18.0)", " 125.", 0x405f400000000000},
{"(F18.0)", " 12.5", 0x4029000000000000},
{"(F18.0)", " 1.25", 0x3ff4000000000000},
{"(F18.0)", " 01.25", 0x3ff4000000000000},
{"(F18.0)", " .125", 0x3fc0000000000000},
{"(F18.0)", " 0.125", 0x3fc0000000000000},
{"(F18.0)", " .0625", 0x3fb0000000000000},
{"(F18.0)", " 0.0625", 0x3fb0000000000000},
{"(F18.0)", " 125", 0x405f400000000000},
{"(F18.1)", " 125", 0x4029000000000000},
{"(F18.2)", " 125", 0x3ff4000000000000},
{"(F18.3)", " 125", 0x3fc0000000000000},
{"(-1P,F18.0)", " 125", 0x4093880000000000}, // 1250
{"(1P,F18.0)", " 125", 0x4029000000000000}, // 12.5
{"(BZ,F18.0)", " 125 ", 0x4093880000000000}, // 1250
{"(BZ,F18.0)", " 125 . e +1 ", 0x42a6bcc41e900000}, // 1.25e13
{"(BZ,F18.0)", " . ", 0x0},
{"(BZ,F18.0)", " . e +1 ", 0x0},
{"(DC,F18.0)", " 12,5", 0x4029000000000000},
};
for (auto const &[format, data, want] : testCases) {
auto cookie{IONAME(BeginInternalFormattedInput)(
data, std::strlen(data), format, std::strlen(format))};
union {
double x;
std::uint64_t raw;
} u;
u.raw = 0;
// Read buffer into union value
IONAME(EnableHandlers)(cookie, true, true, true, true, true);
IONAME(InputReal64)(cookie, u.x);
static constexpr int bufferSize{65};
char iomsg[bufferSize];
std::memset(iomsg, '\0', bufferSize - 1);
// Ensure no errors were encountered reading input buffer into union value
IONAME(GetIoMsg)(cookie, iomsg, bufferSize - 1);
auto status{IONAME(EndIoStatement)(cookie)};
ASSERT_EQ(status, 0) << '\'' << format << "' failed reading '" << data
<< "', status " << static_cast<int>(status)
<< " iomsg '" << iomsg << "'";
// Ensure raw uint64 value matches expected conversion from double
ASSERT_EQ(u.raw, want) << '\'' << format << "' failed reading '" << data
<< "', want " << want << ", got " << u.raw;
}
}
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