[Kst] kdeextragear-2/kst/tests

[George Staikos]

CVS commit by staikos: 

Bug in the optimizer - it doesn't optimize the toplevel node in the tree.  Not
really much of an issue, but this fixes my coverage calculations, and it should
be fixed one day.


  M +13 -2     testeqparser.cpp   1.5


--- kdeextragear-2/kst/tests/testeqparser.cpp  #1.4:1.5
@@ -23,4 +23,6 @@ double INF = 1.0/0.0;
 #endif
 
+bool optimizerFailed = false;
+
 bool doTest(const char *equation, double x, double result, const double tol = 0.00000000001) {
         yy_scan_string(equation);
@@ -28,11 +30,20 @@ bool doTest(const char *equation, double
         if (rc == 0) {
                 Equation::Node *eq = static_cast<Equation::Node*>(ParsedEquation);
+                ParsedEquation = 0L;
                 Equation::Context ctx;
                 ctx.sampleCount = 2;
                 ctx.noPoint = NOPOINT;
+                ctx.x = x;
                 Equation::FoldVisitor vis(&ctx, eq);
+                if (eq->isConst()) {
+                        if (!optimizerFailed) {
+                                optimizerFailed = true;
+                                printf("Optimizer bug: found an unoptimized const equation.  Optimizing for coverage purposes.\n");
+                        }
+                        double v = eq->value(&ctx);
+                        delete eq;
+                        eq = new Equation::Number(v);
+                }
                 eq->update(-1, &ctx);
-                ParsedEquation = 0L;
-                ctx.x = x;
                 double v = eq->value(&ctx);
                 delete eq;