Changed unit testing framework from Google Test to Catch

test/StaticJsonBuffer/alloc.cpp

@@ -0,0 +1,68 @@
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// Arduino JSON library
+// https://bblanchon.github.io/ArduinoJson/
+// If you like this project, please add a star!
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+static bool isAligned(void *ptr) {
+  const size_t mask = sizeof(void *) - 1;
+  size_t addr = reinterpret_cast<size_t>(ptr);
+  return (addr & mask) == 0;
+}
+
+TEST_CASE("StaticJsonBuffer::alloc()") {
+  StaticJsonBuffer<64> buffer;
+
+  SECTION("CapacityMatchTemplateParameter") {
+    REQUIRE(64 == buffer.capacity());
+  }
+
+  SECTION("InitialSizeIsZero") {
+    REQUIRE(0 == buffer.size());
+  }
+
+  SECTION("GrowsAfterAlloc") {
+    buffer.alloc(1);
+    REQUIRE(1U <= buffer.size());
+    buffer.alloc(1);
+    REQUIRE(2U <= buffer.size());
+  }
+
+  SECTION("DoesntGrowWhenFull") {
+    buffer.alloc(64);
+    buffer.alloc(1);
+    REQUIRE(64 == buffer.size());
+  }
+
+  SECTION("DoesntGrowWhenTooSmall") {
+    buffer.alloc(65);
+    REQUIRE(0 == buffer.size());
+  }
+
+  SECTION("ReturnsNonNull") {
+    void *p = buffer.alloc(64);
+    REQUIRE(0 != p);
+  }
+
+  SECTION("ReturnsNullWhenFull") {
+    buffer.alloc(64);
+    void *p = buffer.alloc(1);
+    REQUIRE(0 == p);
+  }
+
+  SECTION("ReturnsNullWhenTooSmall") {
+    void *p = buffer.alloc(65);
+    REQUIRE(0 == p);
+  }
+
+  SECTION("Alignment") {
+    for (size_t size = 1; size <= sizeof(void *); size++) {
+      void *p = buffer.alloc(1);
+      REQUIRE(isAligned(p));
+    }
+  }
+}