Add testing for single float type in trndmode.pp

git-svn-id: trunk@48020 -

tests/test/units/math/trndcurr.pp

@@ -17,6 +17,20 @@ begin
         first_error:=error;
     end;
 end;
+{$endif}
+
+
+{$ifndef SKIP_SINGLE_TEST}
+procedure testroundsingle(const c, expected: single; error: longint);
+begin
+  if round(c)<>expected then
+    begin
+      writeln('round(',c,') = ',round(c),' instead of ', expected);
+      inc(failure_count);
+      if first_error=0 then
+        first_error:=error;
+    end;
+end;
 
 {$endif}
 
@@ -112,6 +126,98 @@ begin
   testround(1.4,1.0,164);
   testround(-0.4,0.0,165);
   testround(-1.4,-1.0,166);
+{$endif}
+{$ifndef SKIP_SINGLE_TEST}
+  SetRoundMode(rmNearest);
+  if GetRoundMode <> rmNearest then
+    begin
+      writeln('Starting rounding mode is not rmNearest');
+      inc(failure_count);
+      if first_error=0 then
+        first_error:=200;
+    end;
+  writeln('Rounding mode: rmNearest (even)');
+  testroundsingle(0.5,0.0,1);
+  testroundsingle(1.5,2.0,2);
+  testroundsingle(-0.5,0.0,3);
+  testroundsingle(-1.5,-2.0,4);
+  testroundsingle(0.6,1.0,101);
+  testroundsingle(1.6,2.0,102);
+  testroundsingle(-0.6,-1.0,103);
+  testroundsingle(-1.6,-2.0,104);
+  testroundsingle(0.4,0.0,151);
+  testroundsingle(1.4,1.0,152);
+  testroundsingle(-0.4,-0.0,153);
+  testroundsingle(-1.4,-1.0,154);
+
+  writeln('Rounding mode: rmUp');
+  if SetRoundMode(rmUp)<>rmNearest then
+    writeln('Warning: previous mode was not rmNearest');
+  if GetRoundMode <> rmUp then
+    begin
+      writeln('Failed to set rounding mode to rmUp');
+      inc(failure_count);
+      if first_error=0 then
+        first_error:=201;
+    end;
+  testroundsingle(0.5,1.0,5);
+  testroundsingle(1.5,2.0,6);
+  testroundsingle(-0.5,0.0,7);
+  testroundsingle(-1.5,-1.0,8);
+  testroundsingle(0.6,1.0,105);
+  testroundsingle(1.6,2.0,106);
+  testroundsingle(-0.6,0.0,107);
+  testroundsingle(-1.6,-1.0,108);
+  testroundsingle(0.4,1.0,155);
+  testroundsingle(1.4,2.0,156);
+  testroundsingle(-0.4,0.0,157);
+  testroundsingle(-1.4,-1.0,158);
+
+  writeln('Rounding mode: rmDown');
+  if SetRoundMode(rmDown)<>rmUp then
+    writeln('Warning: previous mode was not rmUp');
+  if GetRoundMode <> rmDown then
+    begin
+      writeln('Failed to set rounding mode to rmDown');
+      inc(failure_count);
+      if first_error=0 then
+        first_error:=202;
+    end;
+  testroundsingle(0.5,0.0,9);
+  testroundsingle(1.5,1.0,10);
+  testroundsingle(-0.5,-1.0,11);
+  testroundsingle(-1.5,-2.0,12);
+  testroundsingle(0.6,0.0,109);
+  testroundsingle(1.6,1.0,110);
+  testroundsingle(-0.6,-1.0,111);
+  testroundsingle(-1.6,-2.0,112);
+  testroundsingle(0.4,0.0,159);
+  testroundsingle(1.4,1.0,160);
+  testroundsingle(-0.4,-1.0,161);
+  testroundsingle(-1.4,-2.0,162);
+
+  writeln('Rounding mode: rmTruncate');
+  if SetRoundMode(rmTruncate)<>rmDown then
+    writeln('Warning: previous mode was not rmDown');
+  if GetRoundMode <> rmTruncate then
+    begin
+      writeln('Failed to set rounding mode to rmTruncate');
+      inc(failure_count);
+      if first_error=0 then
+        first_error:=203;
+    end;
+  testroundsingle(0.5,0.0,13);
+  testroundsingle(1.5,1.0,14);
+  testroundsingle(-0.5,0.0,15);
+  testroundsingle(-1.5,-1.0,16);
+  testroundsingle(0.6,0.0,113);
+  testroundsingle(1.6,1.0,114);
+  testroundsingle(-0.6,0.0,115);
+  testroundsingle(-1.6,-1.0,116);
+  testroundsingle(0.4,0.0,163);
+  testroundsingle(1.4,1.0,164);
+  testroundsingle(-0.4,0.0,165);
+  testroundsingle(-1.4,-1.0,166);
 {$endif}
   if failure_count=0 then
     writeln('SetRoundMode test finished OK')