add test for conditional macro statements(cherry picked from commit...

add test for conditional macro statements(cherry picked from commit 3bfa2315)

tests/Makefile.am

@@ -7,6 +7,7 @@ MODFILES = \
 	example1_with_tags.mod \
 	example1_irf_shocks.mod \
 	example1_abs_sign.mod \
+	example1_macroif.mod \
 	t_sgu_ex1.mod \
 	osr_example.mod \
 	optimal_policy/ramsey.mod \

tests/example1_macroif.mod

+// Example 1 from Collard's guide to Dynare
+var y, c, k, a, h, b;
+varexo e, u;
+
+parameters beta, rho, alpha, delta, theta, psi, tau;
+
+@#ifdef NOTDEFINED
+@#error "IFDEF PROBLEM"
+@#else
+alpha = 0.36;
+rho   = 0.95;
+tau   = 0.025;
+beta  = 0.99;
+delta = 0.025;
+psi   = 0;
+theta = 2.95;
+phi   = 0.1;
+@#endif
+
+model;
+c*theta*h^(1+psi)=(1-alpha)*y;
+k = beta*(((exp(b)*c)/(exp(b(+1))*c(+1)))
+    *(exp(b(+1))*alpha*y(+1)+(1-delta)*k));
+y = exp(a)*(k(-1)^alpha)*(h^(1-alpha));
+k = exp(b)*(y-c)+(1-delta)*k(-1);
+a = rho*a(-1)+tau*b(-1) + e;
+b = tau*a(-1)+rho*b(-1) + u;
+end;
+
+initval;
+y = 1.08068253095672;
+c = 0.80359242014163;
+h = 0.29175631001732;
+k = 11.08360443260358;
+a = 0;
+b = 0;
+e = 0;
+u = 0;
+end;
+
+@#define DEFINED=0
+
+shocks;
+var e; stderr 0.009;
+var u; stderr 0.009;
+var e, u = phi*0.009*0.009;
+end;
+
+@#ifdef DEFINED
+stoch_simul;
+@#else
+@#error "IFDEF PROBLEM"
+@#endif