Organized test files in subfolders

test/DynamicJsonBuffer/basics.cpp

@@ -0,0 +1,59 @@
+// 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 <gtest/gtest.h>
+
+class DynamicJsonBuffer_Basic_Tests : public testing::Test {
+ protected:
+  DynamicJsonBuffer buffer;
+};
+
+TEST_F(DynamicJsonBuffer_Basic_Tests, InitialSizeIsZero) {
+  ASSERT_EQ(0, buffer.size());
+}
+
+TEST_F(DynamicJsonBuffer_Basic_Tests, SizeIncreasesAfterAlloc) {
+  buffer.alloc(1);
+  ASSERT_LE(1U, buffer.size());
+  buffer.alloc(1);
+  ASSERT_LE(2U, buffer.size());
+}
+
+TEST_F(DynamicJsonBuffer_Basic_Tests, ReturnDifferentPointer) {
+  void* p1 = buffer.alloc(1);
+  void* p2 = buffer.alloc(2);
+  ASSERT_NE(p1, p2);
+}
+
+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_F(DynamicJsonBuffer_Basic_Tests, Alignment) {
+  // make room for tow but not three
+  buffer = DynamicJsonBuffer(2 * sizeof(void*) + 1);
+
+  ASSERT_TRUE(isAligned(buffer.alloc(1)));  // this on is aligned by design
+  ASSERT_TRUE(isAligned(buffer.alloc(1)));  // this one fits in the first block
+  ASSERT_TRUE(isAligned(buffer.alloc(1)));  // this one requires a new block
+}
+
+TEST_F(DynamicJsonBuffer_Basic_Tests, strdup) {
+  char original[] = "hello";
+  char* copy = buffer.strdup(original);
+  strcpy(original, "world");
+  ASSERT_STREQ("hello", copy);
+}
+
+TEST_F(DynamicJsonBuffer_Basic_Tests, strdup_givenNull) {
+  const char* original = NULL;
+  char* copy = buffer.strdup(original);
+  ASSERT_EQ(NULL, copy);
+}