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lib_standalone/ArduinoJson/extras/tests/MixedConfiguration/enable_progmem_1.cpp

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#include "progmem_emulation.hpp"
+
+#define ARDUINOJSON_ENABLE_PROGMEM 1
+#include <ArduinoJson.h>
+
+#include <catch.hpp>
+
+TEST_CASE("Flash strings") {
+  DynamicJsonDocument doc(2048);
+
+  SECTION("deserializeJson()") {
+    DeserializationError err = deserializeJson(doc, F("{'hello':'world'}"));
+
+    REQUIRE(err == DeserializationError::Ok);
+    REQUIRE(doc["hello"] == "world");
+  }
+
+  SECTION("JsonDocument::operator[]") {
+    doc[F("hello")] = F("world");
+
+    REQUIRE(doc["hello"] == "world");
+  }
+
+  SECTION("JsonDocument::add()") {
+    doc.add(F("world"));
+
+    REQUIRE(doc[0] == "world");
+  }
+
+  SECTION("JsonVariant::set()") {
+    JsonVariant var = doc.to<JsonVariant>();
+
+    var.set(F("world"));
+
+    REQUIRE(var == "world");
+  }
+
+  SECTION("MemberProxy::operator==") {
+    doc["hello"] = "world";
+
+    REQUIRE(doc["hello"] == F("world"));
+  }
+
+  SECTION("ElementProxy::operator==") {
+    doc.add("world");
+
+    REQUIRE(doc[0] == F("world"));
+  }
+}
+
+TEST_CASE("strlen_P") {
+  CHECK(strlen_P(FC("")) == 0);
+  CHECK(strlen_P(FC("a")) == 1);
+  CHECK(strlen_P(FC("ac")) == 2);
+}
+
+TEST_CASE("strncmp_P") {
+  CHECK(strncmp_P("a", FC("b"), 0) == 0);
+  CHECK(strncmp_P("a", FC("b"), 1) == -1);
+  CHECK(strncmp_P("b", FC("a"), 1) == 1);
+  CHECK(strncmp_P("a", FC("a"), 0) == 0);
+  CHECK(strncmp_P("a", FC("b"), 2) == -1);
+  CHECK(strncmp_P("b", FC("a"), 2) == 1);
+  CHECK(strncmp_P("a", FC("a"), 2) == 0);
+}
+
+TEST_CASE("strcmp_P") {
+  CHECK(strcmp_P("a", FC("b")) == -1);
+  CHECK(strcmp_P("b", FC("a")) == 1);
+  CHECK(strcmp_P("a", FC("a")) == 0);
+  CHECK(strcmp_P("aa", FC("ab")) == -1);
+  CHECK(strcmp_P("ab", FC("aa")) == 1);
+  CHECK(strcmp_P("aa", FC("aa")) == 0);
+}
+
+TEST_CASE("memcpy_P") {
+  char dst[4];
+  CHECK(memcpy_P(dst, FC("ABC"), 4) == dst);
+  CHECK(dst[0] == 'A');
+  CHECK(dst[1] == 'B');
+  CHECK(dst[2] == 'C');
+  CHECK(dst[3] == 0);
+}
+
+TEST_CASE("BoundedReader<const __FlashStringHelper*>") {
+  using namespace ARDUINOJSON_NAMESPACE;
+
+  SECTION("read") {
+    BoundedReader<const __FlashStringHelper*> reader(F("\x01\xFF"), 2);
+    REQUIRE(reader.read() == 0x01);
+    REQUIRE(reader.read() == 0xFF);
+    REQUIRE(reader.read() == -1);
+    REQUIRE(reader.read() == -1);
+  }
+
+  SECTION("readBytes() all at once") {
+    BoundedReader<const __FlashStringHelper*> reader(F("ABCD"), 3);
+
+    char buffer[8] = "abcd";
+    REQUIRE(reader.readBytes(buffer, 4) == 3);
+
+    REQUIRE(buffer[0] == 'A');
+    REQUIRE(buffer[1] == 'B');
+    REQUIRE(buffer[2] == 'C');
+    REQUIRE(buffer[3] == 'd');
+  }
+
+  SECTION("readBytes() in two parts") {
+    BoundedReader<const __FlashStringHelper*> reader(F("ABCDEF"), 6);
+
+    char buffer[8] = "abcdefg";
+    REQUIRE(reader.readBytes(buffer, 4) == 4);
+    REQUIRE(reader.readBytes(buffer + 4, 4) == 2);
+
+    REQUIRE(buffer[0] == 'A');
+    REQUIRE(buffer[1] == 'B');
+    REQUIRE(buffer[2] == 'C');
+    REQUIRE(buffer[3] == 'D');
+    REQUIRE(buffer[4] == 'E');
+    REQUIRE(buffer[5] == 'F');
+    REQUIRE(buffer[6] == 'g');
+  }
+}
+
+TEST_CASE("Reader<const __FlashStringHelper*>") {
+  using namespace ARDUINOJSON_NAMESPACE;
+
+  SECTION("read()") {
+    Reader<const __FlashStringHelper*> reader(F("\x01\xFF\x00\x12"));
+    REQUIRE(reader.read() == 0x01);
+    REQUIRE(reader.read() == 0xFF);
+    REQUIRE(reader.read() == 0);
+    REQUIRE(reader.read() == 0x12);
+  }
+
+  SECTION("readBytes() all at once") {
+    Reader<const __FlashStringHelper*> reader(F("ABCD"));
+
+    char buffer[8] = "abcd";
+    REQUIRE(reader.readBytes(buffer, 3) == 3);
+
+    REQUIRE(buffer[0] == 'A');
+    REQUIRE(buffer[1] == 'B');
+    REQUIRE(buffer[2] == 'C');
+    REQUIRE(buffer[3] == 'd');
+  }
+
+  SECTION("readBytes() in two parts") {
+    Reader<const __FlashStringHelper*> reader(F("ABCDEF"));
+
+    char buffer[8] = "abcdefg";
+    REQUIRE(reader.readBytes(buffer, 4) == 4);
+    REQUIRE(reader.readBytes(buffer + 4, 2) == 2);
+
+    REQUIRE(buffer[0] == 'A');
+    REQUIRE(buffer[1] == 'B');
+    REQUIRE(buffer[2] == 'C');
+    REQUIRE(buffer[3] == 'D');
+    REQUIRE(buffer[4] == 'E');
+    REQUIRE(buffer[5] == 'F');
+    REQUIRE(buffer[6] == 'g');
+  }
+}