Fix last merge

The broken test always failed for CVC4, but the exception used to be thrown later. With the new changes we immediately throw an IllegalArgument exception when str.range is called with a bound that is not a single ASCII character.

This commit will fix the test to catch the new exception.

Author: daniel-raffler

src/org/sosy_lab/java_smt/test/StringFormulaManagerTest.java

@@ -180,13 +180,13 @@ public void testRegexAllCharUnicode() throws SolverException, InterruptedExcepti
     assertThatFormula(smgr.in(x, smgr.intersection(smgr.range('a', 'z'), regexAllChar)))
         .isSatisfiable();
 
-    BooleanFormula inRange = smgr.in(x, smgr.range('a', 'Δ'));
-    BooleanFormula inRange2 = smgr.in(x, smgr.intersection(smgr.range('a', 'Δ'), regexAllChar));
     if (solverToUse() == Solvers.CVC4) {
       // CVC4 has issues with range and special Unicode characters when solving constraints
-      assertThrows(AssertionError.class, () -> assertThatFormula(inRange).isSatisfiable());
-      assertThrows(AssertionError.class, () -> assertThatFormula(inRange2).isSatisfiable());
+      assertThrows(IllegalArgumentException.class, () -> smgr.range('a', 'Δ'));
     } else {
+      BooleanFormula inRange = smgr.in(x, smgr.range('a', 'Δ'));
+      BooleanFormula inRange2 = smgr.in(x, smgr.intersection(smgr.range('a', 'Δ'), regexAllChar));
+
       assertThatFormula(inRange).isSatisfiable();
       assertThatFormula(inRange2).isSatisfiable();
     }