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Fixed conversion overflows in tests

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Minor tidying-up, added comments about casting for bitwise operations.
This commit is contained in:
Andrew Johnson
2016-02-19 15:57:44 -06:00
parent 599e6635fb
commit 89e6fdbca0
3 changed files with 38 additions and 28 deletions
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22
src/libCom/test/epicsCalcTest.cpp
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@@ -64,7 +64,6 @@ void testCalc(const char *expr, double expected) {
testDiag("Expected result is %g, actually got %g", expected, result);
calcExprDump(rpn);
}
return;
}
void testUInt32Calc(const char *expr, epicsUInt32 expected) {
@@ -93,7 +92,6 @@ void testUInt32Calc(const char *expr, epicsUInt32 expected) {
expected, expected, uresult, uresult);
calcExprDump(rpn);
}
return;
}
void testArgs(const char *expr, unsigned long einp, unsigned long eout) {
@@ -931,16 +929,16 @@ MAIN(epicsCalcTest)
testUInt32Calc("a:=0xaaaaaaaa; ~~a", 0xaaaaaaaau);
testUInt32Calc("a:=0xaaaaaaaa; a >> 8", 0xffaaaaaau);
testUInt32Calc("a:=0xaaaaaaaa; a << 8", 0xaaaaaa00u);
// using double operands (what the calc record does)
// 0xaaaaaaaa = 2863311530.0
// 0xffff0000 = 4294901760.0
testUInt32Calc("a:=2863311530.0; b:=4294901760.0; a AND b", 0xaaaa0000u);
testUInt32Calc("a:=2863311530.0; b:=4294901760.0; a OR b", 0xffffaaaau);
testUInt32Calc("a:=2863311530.0; b:=4294901760.0; a XOR b", 0x5555aaaau);
testUInt32Calc("a:=2863311530.0; ~a", 0x55555555u);
testUInt32Calc("a:=2863311530.0; ~~a", 0xaaaaaaaau);
testUInt32Calc("a:=2863311530.0; a >> 8", 0xffaaaaaau);
testUInt32Calc("a:=2863311530.0; a << 8", 0xaaaaaa00u);
// using double operands (add 0.1 to force as double)
// 0xaaaaaaaa = -1431655766
// 0xffff0000 = -65536
testUInt32Calc("a:=-1431655766.1; b:=-65536.1; a AND b", 0xaaaa0000u);
testUInt32Calc("a:=-1431655766.1; b:=-65536.1; a OR b", 0xffffaaaau);
testUInt32Calc("a:=-1431655766.1; b:=-65536.1; a XOR b", 0x5555aaaau);
testUInt32Calc("a:=-1431655766.1; ~a", 0x55555555u);
testUInt32Calc("a:=-1431655766.1; ~~a", 0xaaaaaaaau);
testUInt32Calc("a:=-1431655766.1; a >> 8", 0xffaaaaaau);
testUInt32Calc("a:=-1431655766.1; a << 8", 0xaaaaaa00u);
return testDone();
}