Added custom implementation of strtol() (issue #465)

`char` is now treated as an integral type (issue #337, #370)

test/Issue90.cpp

@@ -1,37 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#include <gtest/gtest.h>
-#include <limits.h>  // for LONG_MAX
-
-#define ARDUINOJSON_USE_LONG_LONG 0
-#define ARDUINOJSON_USE_INT64 0
-#include <ArduinoJson.h>
-
-#define SUITE Issue90
-
-static const char* superLong =
-    "12345678901234567890123456789012345678901234567890123456789012345678901234"
-    "5678901234567890123456789012345678901234567890123456789012345678901234567";
-
-static const JsonVariant variant = RawJson(superLong);
-
-TEST(SUITE, IsNotALong) {
-  ASSERT_FALSE(variant.is<long>());
-}
-
-TEST(SUITE, AsLong) {
-  ASSERT_EQ(LONG_MAX, variant.as<long>());
-}
-
-TEST(SUITE, IsAString) {
-  ASSERT_FALSE(variant.is<const char*>());
-}
-
-TEST(SUITE, AsString) {
-  ASSERT_STREQ(superLong, variant.as<const char*>());
-}

test/JsonVariant_Storage_Tests.cpp

@@ -63,6 +63,9 @@ TEST_F(JsonVariant_Storage_Tests, Double) {
 TEST_F(JsonVariant_Storage_Tests, Float) {
   testNumericType<float>();
 }
+TEST_F(JsonVariant_Storage_Tests, Char) {
+  testNumericType<char>();
+}
 TEST_F(JsonVariant_Storage_Tests, SChar) {
   testNumericType<signed char>();
 }

test/Polyfills_IsFloat_Tests.cpp

@@ -18,6 +18,10 @@ struct Polyfills_IsFloat_Tests : testing::Test {
 };
 #define TEST_(X) TEST_F(Polyfills_IsFloat_Tests, X)
 
+TEST_(Null) {
+  check(false, NULL);
+}
+
 TEST_(NoExponent) {
   check(true, "3.14");
   check(true, "-3.14");

test/Polyfills_IsInteger_Tests.cpp

@@ -0,0 +1,45 @@
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+// If you like this project, please add a star!
+
+#include <gtest/gtest.h>
+#include <ArduinoJson/Polyfills/isInteger.hpp>
+
+using namespace ArduinoJson::Polyfills;
+
+struct Polyfills_IsInteger_Tests : testing::Test {
+  void check(bool expected, const char* input) {
+    bool actual = isInteger(input);
+    EXPECT_EQ(expected, actual) << input;
+  }
+};
+#define TEST_(X) TEST_F(Polyfills_IsInteger_Tests, X)
+
+TEST_(Null) {
+  check(false, NULL);
+}
+
+TEST_(FloatNotInteger) {
+  check(false, "3.14");
+  check(false, "-3.14");
+  check(false, "+3.14");
+}
+
+TEST_(Spaces) {
+  check(false, "42 ");
+  check(false, " 42");
+}
+
+TEST_(Valid) {
+  check(true, "42");
+  check(true, "-42");
+  check(true, "+42");
+}
+
+TEST_(ExtraSign) {
+  check(false, "--42");
+  check(false, "++42");
+}

test/Polyfills_ParseFloat_Tests.cpp

@@ -54,6 +54,14 @@ struct Polyfills_ParseFloat_Double_Tests : testing::Test {
 };
 #define TEST_DOUBLE(X) TEST_F(Polyfills_ParseFloat_Double_Tests, X)
 
+TEST_DOUBLE(Null) {
+  check(NULL, 0);
+}
+
+TEST_FLOAT(Null) {
+  check(NULL, 0);
+}
+
 TEST_DOUBLE(Short_NoExponent) {
   check("3.14", 3.14);
   check("-3.14", -3.14);

test/Polyfills_ParseInteger_Tests.cpp

@@ -0,0 +1,79 @@
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+// If you like this project, please add a star!
+
+#include <gtest/gtest.h>
+#include <stdint.h>
+#include <ArduinoJson/Polyfills/parseInteger.hpp>
+
+using namespace ArduinoJson::Polyfills;
+
+struct Polyfills_ParseInteger_Tests : testing::Test {
+  template <typename T>
+  void check(const char* input, T expected) {
+    T actual = parseInteger<T>(input);
+    EXPECT_EQ(expected, actual) << input;
+  }
+};
+
+#define TEST_(X) TEST_F(Polyfills_ParseInteger_Tests, X)
+
+TEST_(int8_t) {
+  check<int8_t>("-128", -128);
+  check<int8_t>("127", 127);
+  check<int8_t>("+127", 127);
+  check<int8_t>("3.14", 3);
+  // check<int8_t>(" 42", 0);
+  check<int8_t>("x42", 0);
+  check<int8_t>("128", -128);
+  check<int8_t>("-129", 127);
+  check<int8_t>(NULL, 0);
+}
+
+TEST_(int16_t) {
+  check<int16_t>("-32768", -32768);
+  check<int16_t>("32767", 32767);
+  check<int16_t>("+32767", 32767);
+  check<int16_t>("3.14", 3);
+  // check<int16_t>(" 42", 0);
+  check<int16_t>("x42", 0);
+  check<int16_t>("-32769", 32767);
+  check<int16_t>("32768", -32768);
+  check<int16_t>(NULL, 0);
+}
+
+TEST_(int32_t) {
+  check<int32_t>("-2147483648", (-2147483647 - 1));
+  check<int32_t>("2147483647", 2147483647);
+  check<int32_t>("+2147483647", 2147483647);
+  check<int32_t>("3.14", 3);
+  // check<int32_t>(" 42", 0);
+  check<int32_t>("x42", 0);
+  check<int32_t>("-2147483649", 2147483647);
+  check<int32_t>("2147483648", (-2147483647 - 1));
+}
+
+TEST_(uint8_t) {
+  check<uint8_t>("0", 0);
+  check<uint8_t>("255", 255);
+  check<uint8_t>("+255", 255);
+  check<uint8_t>("3.14", 3);
+  // check<uint8_t>(" 42", 0);
+  check<uint8_t>("x42", 0);
+  check<uint8_t>("-1", 255);
+  check<uint8_t>("256", 0);
+}
+
+TEST_(uint16_t) {
+  check<uint16_t>("0", 0);
+  check<uint16_t>("65535", 65535);
+  check<uint16_t>("+65535", 65535);
+  check<uint16_t>("3.14", 3);
+  // check<uint16_t>(" 42", 0);
+  check<uint16_t>("x42", 0);
+  check<uint16_t>("-1", 65535);
+  check<uint16_t>("65536", 0);
+}