mirror of https://github.com/arendst/Tasmota.git
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
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// Copyright Benoit Blanchon 2014-2017
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// MIT License
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//
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// Arduino JSON library
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// https://github.com/bblanchon/ArduinoJson
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// If you like this project, please add a star!
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#include <ArduinoJson.h>
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#include <gtest/gtest.h>
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class DynamicJsonBuffer_Basic_Tests : public testing::Test {
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protected:
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DynamicJsonBuffer buffer;
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};
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TEST_F(DynamicJsonBuffer_Basic_Tests, InitialSizeIsZero) {
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ASSERT_EQ(0, buffer.size());
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}
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TEST_F(DynamicJsonBuffer_Basic_Tests, SizeIncreasesAfterAlloc) {
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buffer.alloc(1);
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ASSERT_LE(1U, buffer.size());
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buffer.alloc(1);
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ASSERT_LE(2U, buffer.size());
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}
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TEST_F(DynamicJsonBuffer_Basic_Tests, ReturnDifferentPointer) {
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void* p1 = buffer.alloc(1);
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void* p2 = buffer.alloc(2);
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ASSERT_NE(p1, p2);
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}
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static bool isAligned(void* ptr) {
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const size_t mask = sizeof(void*) - 1;
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size_t addr = reinterpret_cast<size_t>(ptr);
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return (addr & mask) == 0;
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}
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TEST_F(DynamicJsonBuffer_Basic_Tests, Alignment) {
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// make room for tow but not three
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buffer = DynamicJsonBuffer(2 * sizeof(void*) + 1);
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ASSERT_TRUE(isAligned(buffer.alloc(1))); // this on is aligned by design
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ASSERT_TRUE(isAligned(buffer.alloc(1))); // this one fits in the first block
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ASSERT_TRUE(isAligned(buffer.alloc(1))); // this one requires a new block
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}
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TEST_F(DynamicJsonBuffer_Basic_Tests, strdup) {
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char original[] = "hello";
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char* copy = buffer.strdup(original);
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strcpy(original, "world");
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ASSERT_STREQ("hello", copy);
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}
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TEST_F(DynamicJsonBuffer_Basic_Tests, strdup_givenNull) {
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const char* original = NULL;
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char* copy = buffer.strdup(original);
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ASSERT_EQ(NULL, copy);
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}
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