diff options
Diffstat (limited to 'chapter15/src/test')
| -rw-r--r-- | chapter15/src/test/java/com/seaofnodes/simple/Chapter12Test.java | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/chapter15/src/test/java/com/seaofnodes/simple/Chapter12Test.java b/chapter15/src/test/java/com/seaofnodes/simple/Chapter12Test.java index c8802f4c..4eaf81df 100644 --- a/chapter15/src/test/java/com/seaofnodes/simple/Chapter12Test.java +++ b/chapter15/src/test/java/com/seaofnodes/simple/Chapter12Test.java @@ -8,6 +8,13 @@ import static org.junit.Assert.assertEquals; import static org.junit.Assert.fail; public class Chapter12Test { + @Test public void testSubZeroFloat() { + var stop = new Parser("flt x = arg; return 0-x;").parse().iterate(); + // Compare strings so +0.0 and -0.0 remain distinct. + assertEquals("0.0", Evaluator.evaluate(stop,0).toString()); + assertEquals("-1.0", Evaluator.evaluate(stop,1).toString()); + } + @Test public void testDeadNumericReturns() { for( String[] test : new String[][] { {"if(1) return 7; else return 2.5;", "7"}, |