Nttp support

Closes #1531

projects/SelfTest/UsageTests/Misc.tests.cpp

@@ -18,6 +18,7 @@
 #include <cerrno>
 #include <limits>
 #include <sstream>
+#include <array>
 
 namespace { namespace MiscTests {
 
@@ -66,6 +67,10 @@ struct Foo {
     size_t size() { return 0; }
 };
 
+template<typename T, size_t S>
+struct Bar {
+    size_t size() { return S; }
+};
 #endif
 
 TEST_CASE( "random SECTION tests", "[.][sections][failing]" ) {
@@ -306,11 +311,56 @@ TEMPLATE_TEST_CASE( "TemplateTest: vectors can be sized and resized", "[vector][
     }
 }
 
+TEMPLATE_TEST_CASE_SIG("TemplateTestSig: vectors can be sized and resized", "[vector][template][nttp]", ((typename TestType, int V), TestType, V), (int,5), (float,4), (std::string,15), ((std::tuple<int, float>), 6)) {
+
+    std::vector<TestType> v(V);
+
+    REQUIRE(v.size() == V);
+    REQUIRE(v.capacity() >= V);
+
+    SECTION("resizing bigger changes size and capacity") {
+        v.resize(2 * V);
+
+        REQUIRE(v.size() == 2 * V);
+        REQUIRE(v.capacity() >= 2 * V);
+    }
+    SECTION("resizing smaller changes size but not capacity") {
+        v.resize(0);
+
+        REQUIRE(v.size() == 0);
+        REQUIRE(v.capacity() >= V);
+
+        SECTION("We can use the 'swap trick' to reset the capacity") {
+            std::vector<TestType> empty;
+            empty.swap(v);
+
+            REQUIRE(v.capacity() == 0);
+        }
+    }
+    SECTION("reserving bigger changes capacity but not size") {
+        v.reserve(2 * V);
+
+        REQUIRE(v.size() == V);
+        REQUIRE(v.capacity() >= 2 * V);
+    }
+    SECTION("reserving smaller does not change size or capacity") {
+        v.reserve(0);
+
+        REQUIRE(v.size() == V);
+        REQUIRE(v.capacity() >= V);
+    }
+}
+
 TEMPLATE_PRODUCT_TEST_CASE("A Template product test case", "[template][product]", (std::vector, Foo), (int, float)) {
     TestType x;
     REQUIRE(x.size() == 0);
 }
 
+TEMPLATE_PRODUCT_TEST_CASE_SIG("A Template product test case with array signature", "[template][product][nttp]", ((typename T, size_t S), T, S), (std::array, Bar), ((int, 9), (float, 42))) {
+    TestType x;
+    REQUIRE(x.size() > 0);
+}
+
 TEMPLATE_PRODUCT_TEST_CASE("Product with differing arities", "[template][product]", std::tuple, (int, (int, double), (int, double, float))) {
     REQUIRE(std::tuple_size<TestType>::value >= 1);
 }