Added support of non standard JSON input (issue #44)

test/JsonWriter_WriteString_Tests.cpp

@@ -0,0 +1,81 @@
+// Copyright Benoit Blanchon 2014-2015
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#include <gtest/gtest.h>
+
+#include <ArduinoJson/Internals/JsonWriter.hpp>
+#include <ArduinoJson/Internals/StringBuilder.hpp>
+
+using namespace ArduinoJson::Internals;
+
+class JsonWriter_WriteString_Tests : public testing::Test {
+ protected:
+  void whenInputIs(const char *input) {
+    StringBuilder sb(buffer, sizeof(buffer));
+    JsonWriter writer(sb);
+    writer.writeString(input);
+    returnValue = writer.bytesWritten();
+  }
+
+  void outputMustBe(const char *expected) {
+    EXPECT_STREQ(expected, buffer);
+    EXPECT_EQ(strlen(expected), returnValue);
+  }
+
+ private:
+  char buffer[1024];
+  size_t returnValue;
+};
+
+TEST_F(JsonWriter_WriteString_Tests, Null) {
+  whenInputIs(0);
+  outputMustBe("null");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, EmptyString) {
+  whenInputIs("");
+  outputMustBe("\"\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, QuotationMark) {
+  whenInputIs("\"");
+  outputMustBe("\"\\\"\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, ReverseSolidus) {
+  whenInputIs("\\");
+  outputMustBe("\"\\\\\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, Solidus) {
+  whenInputIs("/");
+  outputMustBe("\"/\"");  // but the JSON format allows \/
+}
+
+TEST_F(JsonWriter_WriteString_Tests, Backspace) {
+  whenInputIs("\b");
+  outputMustBe("\"\\b\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, Formfeed) {
+  whenInputIs("\f");
+  outputMustBe("\"\\f\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, Newline) {
+  whenInputIs("\n");
+  outputMustBe("\"\\n\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, CarriageReturn) {
+  whenInputIs("\r");
+  outputMustBe("\"\\r\"");
+}
+
+TEST_F(JsonWriter_WriteString_Tests, HorizontalTab) {
+  whenInputIs("\t");
+  outputMustBe("\"\\t\"");
+}