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testTypeCast use epicsUnitTest

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This commit is contained in:
Michael Davidsaver
2013-05-01 12:41:19 -04:00
parent f0aa2fe0e0
commit d75656dad7
2 changed files with 55 additions and 59 deletions
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96
testApp/misc/testTypeCast.cpp
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@@ -19,12 +19,11 @@
#include <float.h>
#include <epicsMath.h>
#include <epicsMath.h>
#include <epicsUnitTest.h>
#include <testMain.h>
#include "pv/typeCast.h"
#include <stdint.h>
using epics::pvData::String;
namespace {
@@ -44,8 +43,9 @@ namespace {
template<typename TO, typename FROM>
struct testcase {
static bool op(std::ostream& msg, TO expect, FROM inp)
static void op(TO expect, FROM inp)
{
std::ostringstream msg;
TO actual;
try {
actual = ::epics::pvData::castUnsafe<TO,FROM>(inp);
@@ -54,71 +54,69 @@ namespace {
msg<<"Failed to cast "
<<inp<<" ("<<typeid(FROM).name()<<") -> "
<<expect<<" ("<<typeid(TO).name()<<")\n Error: "
<<typeid(e).name()<<"("<<e.what()<<")\n";
return false;
<<typeid(e).name()<<"("<<e.what()<<")";
testFail("%s", msg.str().c_str());
return;
}
if(!testequal<TO>::op(actual, expect)) {
msg<<"Failed cast gives unexpected value "
<<inp<<" ("<<typeid(FROM).name()<<") -> "
<<expect<<" ("<<typeid(TO).name()<<") yields: "
<<actual<<"\n";
return false;
<<actual;
testFail("%s", msg.str().c_str());
return;
}
msg<<"Pass cast "
msg<<"cast "
<<inp<<" ("<<typeid(FROM).name()<<") -> "
<<expect<<" ("<<typeid(TO).name()<<") yields: "
<<actual<<"\n";
return true;
<<actual;
testPass("%s", msg.str().c_str());
return;
}
};
template<typename TO, typename FROM>
struct testfail {
static bool op(std::ostream& msg, FROM inp)
static void op(FROM inp)
{
std::ostringstream msg;
TO actual;
try {
actual = ::epics::pvData::castUnsafe<TO,FROM>(inp);
msg<<"Failed to generate expected error "
<<inp<<" ("<<typeid(FROM).name()<<") -> ("
<<typeid(TO).name()<<") yields: "
<<actual<<"\n";
return false;
<<actual;
testFail("%s", msg.str().c_str());
return;
} catch(std::runtime_error& e) {
msg<<"Got expected error "
<<inp<<" ("<<typeid(FROM).name()<<") -> ("
<<typeid(TO).name()<<") fails with: "
<<e.what()<<"\n";
return true;
<<e.what();
testPass("%s", msg.str().c_str());
return;
}
}
};
// Test cast
#define TEST(TTO, VTO, TFRO, VFRO) fail |= !testcase<TTO, TFRO>::op(*out, VTO, VFRO)
#define TEST(TTO, VTO, TFRO, VFRO) testcase<TTO, TFRO>::op(VTO, VFRO)
// Test cast and reverse
#define TEST2(TTO, VTO, TFRO, VFRO) TEST(TTO, VTO, TFRO, VFRO); TEST(TFRO, VFRO, TTO, VTO)
#define FAIL(TTO, TFRO, VFRO) fail |= !testfail<TTO,TFRO>::op(*out, VFRO)
#define FAIL(TTO, TFRO, VFRO) testfail<TTO,TFRO>::op(VFRO)
} // end namespace
int main(int argc,char *argv[])
MAIN(testTypeCast)
{
std::ostream *out = &std::cerr;
std::ofstream outf;
if(argc>1){
outf.open(argv[1]);
if(!outf.good()) {
std::cerr<<"Failed to open "<<argv[1]<<" for output!\n";
} else {
out = &outf;
}
}
bool fail=false;
testPlan(110);
try {
int8_t xint8=0;
uint8_t xuint8=0;
@@ -273,14 +271,14 @@ int main(int argc,char *argv[])
CHECK(String, String);
#undef CHECK
*out << "Integer signed <=> unsigned\n";
testDiag("Integer signed <=> unsigned");
TEST2(uint8_t, std::numeric_limits<uint8_t>::max(), int8_t, -1);
TEST2(uint16_t, std::numeric_limits<uint16_t>::max(), int8_t, -1);
TEST2(uint32_t, std::numeric_limits<uint32_t>::max(), int8_t, -1);
TEST2(uint64_t, std::numeric_limits<uint64_t>::max(), int8_t, -1);
*out << "Integer unsigned promote (and demote when in range)\n";
testDiag("Integer unsigned promote (and demote when in range)");
TEST2(uint16_t, 0xff, uint8_t, 0xff);
TEST2(uint32_t, 0xffff, uint16_t, 0xffff);
@@ -290,7 +288,7 @@ int main(int argc,char *argv[])
TEST2(int32_t, 0x7fff, int16_t, 0x7fff);
TEST2(int64_t, 0x7fffffff, int32_t, 0x7fffffff);
*out << "Double to int w/ round towards zero (aka truncation)\n";
testDiag("Double to int w/ round towards zero (aka truncation)");
TEST(int32_t, 2, double, 2.1);
TEST(int32_t, 2, double, 2.5);
@@ -299,7 +297,7 @@ int main(int argc,char *argv[])
TEST(int32_t, -2, double, -2.5);
TEST(int32_t, -2, double, -2.7);
*out << "Float to int w/ round towards zero (aka truncation)\n";
testDiag("Float to int w/ round towards zero (aka truncation)");
TEST(int32_t, 2, float, 2.1);
TEST(int32_t, 2, float, 2.5);
@@ -308,7 +306,7 @@ int main(int argc,char *argv[])
TEST(int32_t, -2, float, -2.5);
TEST(int32_t, -2, float, -2.7);
*out << "String Printing/parsing\n";
testDiag("String Printing/parsing");
TEST2(String, "1", int32_t, 1);
TEST2(String, "-1", int32_t, -1);
@@ -339,7 +337,7 @@ int main(int argc,char *argv[])
TEST(double, 1.1e100, String, "1.1E+100");
*out << "String Parsing\n";
testDiag("String Parsing");
TEST(int32_t, 15, String, "0xf");
TEST(int32_t, 15, String, "0xF");
@@ -363,7 +361,7 @@ int main(int argc,char *argv[])
TEST(int64_t, -7, String, "-07");
TEST(int64_t, -8, String, "-010");
*out << "String parsing errors\n";
testDiag("String parsing errors");
FAIL(int32_t, String, "hello!");
FAIL(int32_t, String, "42 is the answer");
@@ -374,32 +372,36 @@ int main(int argc,char *argv[])
FAIL(int8_t, String, "1000");
FAIL(int8_t, String, "-1000");
;
FAIL(double, String, "1e+10000000");
*out << "Floating point overflows\n";
testDiag("Floating point overflows");
TEST(float, FLT_MAX, double, 1e300);
TEST(float, -FLT_MAX, double, -1e300);
TEST(float, FLT_MIN, double, 1e-300);
TEST(float, -FLT_MIN, double, -1e-300);
xfloat = ::epics::pvData::castUnsafe<float,double>(epicsNAN);
*out << "Test cast double NAN to float NAN yields: "<<xfloat<<"\n";
fail |= !isnan( xfloat );
testOk(isnan( xfloat ), "Test cast double NAN to float NAN yields: %f", xfloat);
{
std::string result[3];
const int32_t in[3] = { 1234, 506001, 42424242 };
*out << "Test vcast int32 -> String\n";
testDiag("Test vcast int32 -> String");
epics::pvData::castUnsafeV(3, epics::pvData::pvString, (void*)result,
epics::pvData::pvInt, (void*)in);
*out << "Yields "<<result[0]<<" "<<result[1]<<" "<<result[2]<<"\n";
testDiag("Yields %s %s %s", result[0].c_str(), result[1].c_str(), result[2].c_str());
fail |= result[0]!="1234";
fail |= result[1]!="506001";
fail |= result[2]!="42424242";
testOk1(result[0]=="1234");
testOk1(result[1]=="506001");
testOk1(result[2]=="42424242");
}
return fail ? 1 : 0;
} catch(std::exception& e) {
testAbort("Uncaught exception: %s", e.what());
}
return testDone();
}