Changed unit testing framework from Google Test to Catch

test/JsonObject/printTo.cpp

@@ -6,118 +6,114 @@
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 #include <ArduinoJson.h>
-#include <gtest/gtest.h>
+#include <catch.hpp>
+#include <string>
 
-class JsonObject_PrintTo_Tests : public testing::Test {
- public:
-  JsonObject_PrintTo_Tests() : _object(_jsonBuffer.createObject()) {}
+void check(const JsonObject &obj, const std::string &expected) {
+  char actual[256];
+  size_t actualLen = obj.printTo(actual);
+  size_t measuredLen = obj.measureLength();
 
- protected:
-  void outputMustBe(const char *expected) {
-    char actual[256];
-    size_t actualLen = _object.printTo(actual);
-    size_t measuredLen = _object.measureLength();
+  REQUIRE(expected == actual);
+  REQUIRE(expected.size() == actualLen);
+  REQUIRE(expected.size() == measuredLen);
+}
+TEST_CASE("JsonObject::printTo()") {
+  DynamicJsonBuffer _jsonBuffer;
+  JsonObject &obj = _jsonBuffer.createObject();
 
-    EXPECT_STREQ(expected, actual);
-    EXPECT_EQ(strlen(expected), actualLen);
-    EXPECT_EQ(strlen(expected), measuredLen);
+  SECTION("EmptyObject") {
+    check(obj, "{}");
   }
 
-  DynamicJsonBuffer _jsonBuffer;
-  JsonObject &_object;
-};
+  SECTION("TwoStrings") {
+    obj["key1"] = "value1";
+    obj.set("key2", "value2");
 
-TEST_F(JsonObject_PrintTo_Tests, EmptyObject) {
-  outputMustBe("{}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoStrings) {
-  _object["key1"] = "value1";
-  _object.set("key2", "value2");
-
-  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, RemoveFirst) {
-  _object["key1"] = "value1";
-  _object["key2"] = "value2";
-  _object.remove("key1");
-
-  outputMustBe("{\"key2\":\"value2\"}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, RemoveLast) {
-  _object["key1"] = "value1";
-  _object["key2"] = "value2";
-  _object.remove("key2");
-
-  outputMustBe("{\"key1\":\"value1\"}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, RemoveUnexistingKey) {
-  _object["key1"] = "value1";
-  _object["key2"] = "value2";
-  _object.remove("key3");
-
-  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, ReplaceExistingKey) {
-  _object["key"] = "value1";
-  _object["key"] = "value2";
-
-  outputMustBe("{\"key\":\"value2\"}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoIntegers) {
-  _object["a"] = 1;
-  _object.set("b", 2);
-  outputMustBe("{\"a\":1,\"b\":2}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, RawJson) {
-  _object["a"] = RawJson("[1,2]");
-  _object.set("b", RawJson("[4,5]"));
-  outputMustBe("{\"a\":[1,2],\"b\":[4,5]}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoDoublesFourDigits) {
-  _object["a"] = double_with_n_digits(3.14159265358979323846, 4);
-  _object.set("b", 2.71828182845904523536, 4);
-  _object.set("c", double_with_n_digits(3.14159265358979323846, 3));
-  outputMustBe("{\"a\":3.1416,\"b\":2.7183,\"c\":3.142}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoDoubleDefaultDigits) {
-  _object["a"] = 3.14159265358979323846;
-  _object.set("b", 2.71828182845904523536);
-  outputMustBe("{\"a\":3.14,\"b\":2.72}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoNull) {
-  _object["a"] = static_cast<char *>(0);
-  _object.set("b", static_cast<char *>(0));
-  outputMustBe("{\"a\":null,\"b\":null}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, TwoBooleans) {
-  _object["a"] = true;
-  _object.set("b", false);
-  outputMustBe("{\"a\":true,\"b\":false}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, ThreeNestedArrays) {
-  _object.createNestedArray("a");
-  _object["b"] = _jsonBuffer.createArray();
-  _object.set("c", _jsonBuffer.createArray());
-
-  outputMustBe("{\"a\":[],\"b\":[],\"c\":[]}");
-}
-
-TEST_F(JsonObject_PrintTo_Tests, ThreeNestedObjects) {
-  _object.createNestedObject("a");
-  _object["b"] = _jsonBuffer.createObject();
-  _object.set("c", _jsonBuffer.createObject());
-
-  outputMustBe("{\"a\":{},\"b\":{},\"c\":{}}");
+    check(obj, "{\"key1\":\"value1\",\"key2\":\"value2\"}");
+  }
+
+  SECTION("RemoveFirst") {
+    obj["key1"] = "value1";
+    obj["key2"] = "value2";
+    obj.remove("key1");
+
+    check(obj, "{\"key2\":\"value2\"}");
+  }
+
+  SECTION("RemoveLast") {
+    obj["key1"] = "value1";
+    obj["key2"] = "value2";
+    obj.remove("key2");
+
+    check(obj, "{\"key1\":\"value1\"}");
+  }
+
+  SECTION("RemoveUnexistingKey") {
+    obj["key1"] = "value1";
+    obj["key2"] = "value2";
+    obj.remove("key3");
+
+    check(obj, "{\"key1\":\"value1\",\"key2\":\"value2\"}");
+  }
+
+  SECTION("ReplaceExistingKey") {
+    obj["key"] = "value1";
+    obj["key"] = "value2";
+
+    check(obj, "{\"key\":\"value2\"}");
+  }
+
+  SECTION("TwoIntegers") {
+    obj["a"] = 1;
+    obj.set("b", 2);
+    check(obj, "{\"a\":1,\"b\":2}");
+  }
+
+  SECTION("RawJson") {
+    obj["a"] = RawJson("[1,2]");
+    obj.set("b", RawJson("[4,5]"));
+    check(obj, "{\"a\":[1,2],\"b\":[4,5]}");
+  }
+
+  SECTION("TwoDoublesFourDigits") {
+    obj["a"] = double_with_n_digits(3.14159265358979323846, 4);
+    obj.set("b", 2.71828182845904523536, 4);
+    obj.set("c", double_with_n_digits(3.14159265358979323846, 3));
+    check(obj, "{\"a\":3.1416,\"b\":2.7183,\"c\":3.142}");
+  }
+
+  SECTION("TwoDoubleDefaultDigits") {
+    obj["a"] = 3.14159265358979323846;
+    obj.set("b", 2.71828182845904523536);
+    check(obj, "{\"a\":3.14,\"b\":2.72}");
+  }
+
+  SECTION("TwoNull") {
+    obj["a"] = static_cast<char *>(0);
+    obj.set("b", static_cast<char *>(0));
+    check(obj, "{\"a\":null,\"b\":null}");
+  }
+
+  SECTION("TwoBooleans") {
+    obj["a"] = true;
+    obj.set("b", false);
+    check(obj, "{\"a\":true,\"b\":false}");
+  }
+
+  SECTION("ThreeNestedArrays") {
+    obj.createNestedArray("a");
+    obj["b"] = _jsonBuffer.createArray();
+    obj.set("c", _jsonBuffer.createArray());
+
+    check(obj, "{\"a\":[],\"b\":[],\"c\":[]}");
+  }
+
+  SECTION("ThreeNestedObjects") {
+    obj.createNestedObject("a");
+    obj["b"] = _jsonBuffer.createObject();
+    obj.set("c", _jsonBuffer.createObject());
+
+    check(obj, "{\"a\":{},\"b\":{},\"c\":{}}");
+  }
 }