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Fixes #66 by adding Writer::Reset() and multiple root check

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Note it redefines RAPIDJSON_ASSERT() to throw exception in unittest and
check for assertion with gtest.
This commit is contained in:
Milo Yip
2014-07-13 13:16:03 +08:00
parent 24a9cced45
commit b234007713
4 changed files with 158 additions and 46 deletions
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86
test/unittest/writertest.cpp
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@@ -1,4 +1,5 @@
#include "unittest.h"
#include "rapidjson/document.h"
#include "rapidjson/reader.h"
#include "rapidjson/writer.h"
@@ -80,9 +81,10 @@ TEST(Writer,DoublePrecision) {
reader.Parse<0>(s, writer.SetDoublePrecision(12));
EXPECT_EQ(writer.GetDoublePrecision(), 12);
EXPECT_STREQ(json, buffer.GetString());
buffer.Clear();
}
{ // explicit individual double precisions
buffer.Clear();
writer.Reset(buffer);
writer.SetDoublePrecision(2);
writer.StartArray();
writer.Double(1.2345, 5);
@@ -93,11 +95,12 @@ TEST(Writer,DoublePrecision) {
EXPECT_EQ(writer.GetDoublePrecision(), 2);
EXPECT_STREQ(json, buffer.GetString());
buffer.Clear();
}
{ // write with default precision (output with precision loss)
Document d;
d.Parse<0>(json);
buffer.Clear();
writer.Reset(buffer);
d.Accept(writer.SetDoublePrecision());
// parsed again to avoid platform-dependent floating point outputs
@@ -108,7 +111,6 @@ TEST(Writer,DoublePrecision) {
EXPECT_DOUBLE_EQ(d[1u].GetDouble(), 1.23457);
EXPECT_DOUBLE_EQ(d[2u].GetDouble(), 0.123457);
EXPECT_DOUBLE_EQ(d[3u].GetDouble(), 1234570);
buffer.Clear();
}
}
@@ -160,3 +162,81 @@ TEST(Writer, OStreamWrapper) {
std::string actual = ss.str();
EXPECT_STREQ("{\"hello\":\"world\",\"t\":true,\"f\":false,\"n\":null,\"i\":123,\"pi\":3.1416,\"a\":[1,2,3]}", actual.c_str());
}
TEST(Writer, AssertRootMustBeArrayOrObject) {
#define T(x)\
{\
StringBuffer buffer;\
Writer<StringBuffer> writer(buffer);\
ASSERT_THROW(x, AssertException);\
}
T(writer.Bool(false));
T(writer.Bool(true));
T(writer.Null());
T(writer.Int(0));
T(writer.Uint(0));
T(writer.Int64(0));
T(writer.Uint64(0));
T(writer.Double(0));
T(writer.String("foo"));
#undef T
}
TEST(Writer, AssertIncorrectObjectLevel) {
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
writer.StartObject();
writer.EndObject();
ASSERT_THROW(writer.EndObject(), AssertException);
}
TEST(Writer, AssertIncorrectArrayLevel) {
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
writer.StartArray();
writer.EndArray();
ASSERT_THROW(writer.EndArray(), AssertException);
}
TEST(Writer, AssertIncorrectEndObject) {
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
writer.StartObject();
ASSERT_THROW(writer.EndArray(), AssertException);
}
TEST(Writer, AssertIncorrectEndArray) {
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
writer.StartObject();
ASSERT_THROW(writer.EndArray(), AssertException);
}
TEST(Writer, AssertObjectKeyNotString) {
#define T(x)\
{\
StringBuffer buffer;\
Writer<StringBuffer> writer(buffer);\
writer.StartObject();\
ASSERT_THROW(x, AssertException); \
}
T(writer.Bool(false));
T(writer.Bool(true));
T(writer.Null());
T(writer.Int(0));
T(writer.Uint(0));
T(writer.Int64(0));
T(writer.Uint64(0));
T(writer.Double(0));
T(writer.StartObject());
T(writer.StartArray());
#undef T
}
TEST(Writer, AssertMultipleRoot) {
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
writer.StartObject();
writer.EndObject();
ASSERT_THROW(writer.StartObject(), AssertException);
}