1 files changed, 77 insertions, 0 deletions
diff --git a/Examples/test-suite/java/li_constraints_runme.java b/Examples/test-suite/java/li_constraints_runme.java
new file mode 100644
index 000000000..85027e85a
--- /dev/null
+++ b/Examples/test-suite/java/li_constraints_runme.java
@@ -0,0 +1,77 @@
+
+import java.util.function.*;
+import li_constraints.*;
+
+public class li_constraints_runme {
+
+  static {
+    try {
+	System.loadLibrary("li_constraints");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void check_double(boolean except, Consumer<Double> f, double val, String ex) {
+      boolean actual = true;
+      boolean proper = false;
+      try {
+        f.accept(val);
+      } catch(RuntimeException e) {
+        actual = false;
+        proper = e.getMessage().equals(String.join(" ", "Expected", "a", ex, "value."));
+      }
+      if (actual) {
+        if (!except) {
+          throw new RuntimeException(String.join("", "function '", ex, "' with ", String.valueOf(val), " should perform an exception"));
+        }
+      } else {
+        if (except) {
+          throw new RuntimeException(String.join("", "function '", ex, "' with ", String.valueOf(val), " should not perform an exception"));
+        } else if (!proper) {
+          throw new RuntimeException(String.join("", "function '", ex, "' with ", String.valueOf(val), " should perform a proper exception"));
+        }
+      }
+  }
+
+  public static void main(String argv[]) {
+
+      Consumer<Double> func = v -> li_constraints.test_nonnegative(v);
+      check_double(true, func, 10, "non-negative");
+      check_double(true, func, 0, "non-negative");
+      check_double(false, func, -10, "non-negative");
+
+      func = v -> li_constraints.test_nonpositive(v);
+      check_double(false, func, 10, "non-positive");
+      check_double(true, func, 0, "non-positive");
+      check_double(true, func, -10, "non-positive");
+
+      func = v -> li_constraints.test_positive(v);
+      check_double(true, func, 10, "positive");
+      check_double(false, func, 0, "positive");
+      check_double(false, func, -10, "positive");
+
+      func = v -> li_constraints.test_negative(v);
+      check_double(false, func, 10, "negative");
+      check_double(false, func, 0, "negative");
+      check_double(true, func, -10, "negative");
+
+      func = v -> li_constraints.test_nonzero(v);
+      check_double(true, func, 10, "nonzero");
+      check_double(false, func, 0, "nonzero");
+      check_double(true, func, -10, "nonzero");
+
+      boolean have_exception = false;
+      try {
+        li_constraints.test_nonnull(null);
+      } catch(Exception e) {
+        have_exception = e.getMessage().equals("Received a NULL pointer.");
+      }
+      if (!have_exception) {
+          throw new RuntimeException("test_nonnull should perform proper exception with 'null' value");
+      }
+      SWIGTYPE_p_void nonnull = li_constraints.get_nonnull();
+      li_constraints.test_nonnull(nonnull);
+  }
+}