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#include "Common.h"
SCENARIO("conditional logging")
{
GIVEN("logger is initialised")
{
plog::TestAppender testAppender;
plog::Logger<PLOG_DEFAULT_INSTANCE_ID> logger(plog::info);
logger.addAppender(&testAppender);
WHEN("condition is true")
{
int var = 0;
PLOG_INFO_IF(var == 0) << "message";
THEN("the message is printed")
{
CHECK_EQ(testAppender.getMessage(), PLOG_NSTR("message"));
}
}
WHEN("condition is false")
{
int var = 0;
PLOG_INFO_IF(var != 0) << "message";
THEN("the message is not printed")
{
CHECK(testAppender.getMessage().empty());
}
}
WHEN("log level check is true")
{
int var = 0;
IF_PLOG(plog::info) var = 5; // one line
IF_PLOG(plog::info) // block
{
var++;
}
THEN("statements were executed")
{
CHECK_EQ(var, 5 + 1);
}
}
WHEN("log level check is false")
{
int var = 0;
IF_PLOG(plog::debug) var = 5; // one line
IF_PLOG(plog::debug) // block
{
var++;
}
THEN("statements were not executed")
{
CHECK_EQ(var, 0);
}
}
WHEN("log macros are used in 'then-else' clauses without braces and condition is true")
{
int var = 0;
if (var == 0) PLOGI << "then clause"; else PLOGI << "else clause";
THEN("nothing is broken, 'then' clause is executed")
{
CHECK_EQ(testAppender.getMessage(), PLOG_NSTR("then clause"));
}
}
WHEN("log macros are used in 'then-else' clauses without braces and condition is false")
{
int var = 0;
if (var != 0) PLOGI << "then clause"; else PLOGI << "else clause";
THEN("nothing is broken, 'else' clause is executed")
{
CHECK_EQ(testAppender.getMessage(), PLOG_NSTR("else clause"));
}
}
}
}
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