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-rw-r--r--src/rapidjson/test/unittest/writertest.cpp497
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diff --git a/src/rapidjson/test/unittest/writertest.cpp b/src/rapidjson/test/unittest/writertest.cpp
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+++ b/src/rapidjson/test/unittest/writertest.cpp
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+// Tencent is pleased to support the open source community by making RapidJSON available.
+//
+// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
+//
+// Licensed under the MIT License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// http://opensource.org/licenses/MIT
+//
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations under the License.
+
+#include "unittest.h"
+
+#include "rapidjson/document.h"
+#include "rapidjson/reader.h"
+#include "rapidjson/writer.h"
+#include "rapidjson/stringbuffer.h"
+#include "rapidjson/memorybuffer.h"
+
+using namespace rapidjson;
+
+TEST(Writer, Compact) {
+ StringStream s("{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3] } ");
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ buffer.ShrinkToFit();
+ Reader reader;
+ reader.Parse<0>(s, writer);
+ EXPECT_STREQ("{\"hello\":\"world\",\"t\":true,\"f\":false,\"n\":null,\"i\":123,\"pi\":3.1416,\"a\":[1,2,3]}", buffer.GetString());
+ EXPECT_EQ(77u, buffer.GetSize());
+ EXPECT_TRUE(writer.IsComplete());
+}
+
+// json -> parse -> writer -> json
+#define TEST_ROUNDTRIP(json) \
+ { \
+ StringStream s(json); \
+ StringBuffer buffer; \
+ Writer<StringBuffer> writer(buffer); \
+ Reader reader; \
+ reader.Parse<kParseFullPrecisionFlag>(s, writer); \
+ EXPECT_STREQ(json, buffer.GetString()); \
+ EXPECT_TRUE(writer.IsComplete()); \
+ }
+
+TEST(Writer, Root) {
+ TEST_ROUNDTRIP("null");
+ TEST_ROUNDTRIP("true");
+ TEST_ROUNDTRIP("false");
+ TEST_ROUNDTRIP("0");
+ TEST_ROUNDTRIP("\"foo\"");
+ TEST_ROUNDTRIP("[]");
+ TEST_ROUNDTRIP("{}");
+}
+
+TEST(Writer, Int) {
+ TEST_ROUNDTRIP("[-1]");
+ TEST_ROUNDTRIP("[-123]");
+ TEST_ROUNDTRIP("[-2147483648]");
+}
+
+TEST(Writer, UInt) {
+ TEST_ROUNDTRIP("[0]");
+ TEST_ROUNDTRIP("[1]");
+ TEST_ROUNDTRIP("[123]");
+ TEST_ROUNDTRIP("[2147483647]");
+ TEST_ROUNDTRIP("[4294967295]");
+}
+
+TEST(Writer, Int64) {
+ TEST_ROUNDTRIP("[-1234567890123456789]");
+ TEST_ROUNDTRIP("[-9223372036854775808]");
+}
+
+TEST(Writer, Uint64) {
+ TEST_ROUNDTRIP("[1234567890123456789]");
+ TEST_ROUNDTRIP("[9223372036854775807]");
+}
+
+TEST(Writer, String) {
+ TEST_ROUNDTRIP("[\"Hello\"]");
+ TEST_ROUNDTRIP("[\"Hello\\u0000World\"]");
+ TEST_ROUNDTRIP("[\"\\\"\\\\/\\b\\f\\n\\r\\t\"]");
+
+#if RAPIDJSON_HAS_STDSTRING
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ writer.String(std::string("Hello\n"));
+ EXPECT_STREQ("\"Hello\\n\"", buffer.GetString());
+ }
+#endif
+}
+
+TEST(Writer, ScanWriteUnescapedString) {
+ const char json[] = "[\" \\\"0123456789ABCDEF\"]";
+ // ^ scanning stops here.
+ char buffer2[sizeof(json) + 32];
+
+ // Use different offset to test different alignments
+ for (int i = 0; i < 32; i++) {
+ char* p = buffer2 + i;
+ memcpy(p, json, sizeof(json));
+ TEST_ROUNDTRIP(p);
+ }
+}
+
+TEST(Writer, Double) {
+ TEST_ROUNDTRIP("[1.2345,1.2345678,0.123456789012,1234567.8]");
+ TEST_ROUNDTRIP("0.0");
+ TEST_ROUNDTRIP("-0.0"); // Issue #289
+ TEST_ROUNDTRIP("1e30");
+ TEST_ROUNDTRIP("1.0");
+ TEST_ROUNDTRIP("5e-324"); // Min subnormal positive double
+ TEST_ROUNDTRIP("2.225073858507201e-308"); // Max subnormal positive double
+ TEST_ROUNDTRIP("2.2250738585072014e-308"); // Min normal positive double
+ TEST_ROUNDTRIP("1.7976931348623157e308"); // Max double
+
+}
+
+// UTF8 -> TargetEncoding -> UTF8
+template <typename TargetEncoding>
+void TestTranscode(const char* json) {
+ StringStream s(json);
+ GenericStringBuffer<TargetEncoding> buffer;
+ Writer<GenericStringBuffer<TargetEncoding>, UTF8<>, TargetEncoding> writer(buffer);
+ Reader reader;
+ reader.Parse(s, writer);
+
+ StringBuffer buffer2;
+ Writer<StringBuffer> writer2(buffer2);
+ GenericReader<TargetEncoding, UTF8<> > reader2;
+ GenericStringStream<TargetEncoding> s2(buffer.GetString());
+ reader2.Parse(s2, writer2);
+
+ EXPECT_STREQ(json, buffer2.GetString());
+}
+
+TEST(Writer, Transcode) {
+ const char json[] = "{\"hello\":\"world\",\"t\":true,\"f\":false,\"n\":null,\"i\":123,\"pi\":3.1416,\"a\":[1,2,3],\"dollar\":\"\x24\",\"cents\":\"\xC2\xA2\",\"euro\":\"\xE2\x82\xAC\",\"gclef\":\"\xF0\x9D\x84\x9E\"}";
+
+ // UTF8 -> UTF16 -> UTF8
+ TestTranscode<UTF8<> >(json);
+
+ // UTF8 -> ASCII -> UTF8
+ TestTranscode<ASCII<> >(json);
+
+ // UTF8 -> UTF16 -> UTF8
+ TestTranscode<UTF16<> >(json);
+
+ // UTF8 -> UTF32 -> UTF8
+ TestTranscode<UTF32<> >(json);
+
+ // UTF8 -> AutoUTF -> UTF8
+ UTFType types[] = { kUTF8, kUTF16LE , kUTF16BE, kUTF32LE , kUTF32BE };
+ for (size_t i = 0; i < 5; i++) {
+ StringStream s(json);
+ MemoryBuffer buffer;
+ AutoUTFOutputStream<unsigned, MemoryBuffer> os(buffer, types[i], true);
+ Writer<AutoUTFOutputStream<unsigned, MemoryBuffer>, UTF8<>, AutoUTF<unsigned> > writer(os);
+ Reader reader;
+ reader.Parse(s, writer);
+
+ StringBuffer buffer2;
+ Writer<StringBuffer> writer2(buffer2);
+ GenericReader<AutoUTF<unsigned>, UTF8<> > reader2;
+ MemoryStream s2(buffer.GetBuffer(), buffer.GetSize());
+ AutoUTFInputStream<unsigned, MemoryStream> is(s2);
+ reader2.Parse(is, writer2);
+
+ EXPECT_STREQ(json, buffer2.GetString());
+ }
+
+}
+
+#include <sstream>
+
+class OStreamWrapper {
+public:
+ typedef char Ch;
+
+ OStreamWrapper(std::ostream& os) : os_(os) {}
+
+ Ch Peek() const { assert(false); return '\0'; }
+ Ch Take() { assert(false); return '\0'; }
+ size_t Tell() const { return 0; }
+
+ Ch* PutBegin() { assert(false); return 0; }
+ void Put(Ch c) { os_.put(c); }
+ void Flush() { os_.flush(); }
+ size_t PutEnd(Ch*) { assert(false); return 0; }
+
+private:
+ OStreamWrapper(const OStreamWrapper&);
+ OStreamWrapper& operator=(const OStreamWrapper&);
+
+ std::ostream& os_;
+};
+
+TEST(Writer, OStreamWrapper) {
+ StringStream s("{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3], \"u64\": 1234567890123456789, \"i64\":-1234567890123456789 } ");
+
+ std::stringstream ss;
+ OStreamWrapper os(ss);
+
+ Writer<OStreamWrapper> writer(os);
+
+ Reader reader;
+ reader.Parse<0>(s, writer);
+
+ std::string actual = ss.str();
+ EXPECT_STREQ("{\"hello\":\"world\",\"t\":true,\"f\":false,\"n\":null,\"i\":123,\"pi\":3.1416,\"a\":[1,2,3],\"u64\":1234567890123456789,\"i64\":-1234567890123456789}", actual.c_str());
+}
+
+TEST(Writer, AssertRootMayBeAnyValue) {
+#define T(x)\
+ {\
+ StringBuffer buffer;\
+ Writer<StringBuffer> writer(buffer);\
+ EXPECT_TRUE(x);\
+ }
+ 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);
+
+ writer.Reset(buffer);
+ writer.Null();
+ ASSERT_THROW(writer.Int(0), AssertException);
+
+ writer.Reset(buffer);
+ writer.String("foo");
+ ASSERT_THROW(writer.StartArray(), AssertException);
+
+ writer.Reset(buffer);
+ writer.StartArray();
+ writer.EndArray();
+ //ASSERT_THROW(writer.Double(3.14), AssertException);
+}
+
+TEST(Writer, RootObjectIsComplete) {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ EXPECT_FALSE(writer.IsComplete());
+ writer.StartObject();
+ EXPECT_FALSE(writer.IsComplete());
+ writer.String("foo");
+ EXPECT_FALSE(writer.IsComplete());
+ writer.Int(1);
+ EXPECT_FALSE(writer.IsComplete());
+ writer.EndObject();
+ EXPECT_TRUE(writer.IsComplete());
+}
+
+TEST(Writer, RootArrayIsComplete) {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ EXPECT_FALSE(writer.IsComplete());
+ writer.StartArray();
+ EXPECT_FALSE(writer.IsComplete());
+ writer.String("foo");
+ EXPECT_FALSE(writer.IsComplete());
+ writer.Int(1);
+ EXPECT_FALSE(writer.IsComplete());
+ writer.EndArray();
+ EXPECT_TRUE(writer.IsComplete());
+}
+
+TEST(Writer, RootValueIsComplete) {
+#define T(x)\
+ {\
+ StringBuffer buffer;\
+ Writer<StringBuffer> writer(buffer);\
+ EXPECT_FALSE(writer.IsComplete()); \
+ x; \
+ EXPECT_TRUE(writer.IsComplete()); \
+ }
+ T(writer.Null());
+ T(writer.Bool(true));
+ T(writer.Bool(false));
+ T(writer.Int(0));
+ T(writer.Uint(0));
+ T(writer.Int64(0));
+ T(writer.Uint64(0));
+ T(writer.Double(0));
+ T(writer.String(""));
+#undef T
+}
+
+TEST(Writer, InvalidEncoding) {
+ // Fail in decoding invalid UTF-8 sequence http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+ {
+ GenericStringBuffer<UTF16<> > buffer;
+ Writer<GenericStringBuffer<UTF16<> >, UTF8<>, UTF16<> > writer(buffer);
+ writer.StartArray();
+ EXPECT_FALSE(writer.String("\xfe"));
+ EXPECT_FALSE(writer.String("\xff"));
+ EXPECT_FALSE(writer.String("\xfe\xfe\xff\xff"));
+ writer.EndArray();
+ }
+
+ // Fail in encoding
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer, UTF32<> > writer(buffer);
+ static const UTF32<>::Ch s[] = { 0x110000, 0 }; // Out of U+0000 to U+10FFFF
+ EXPECT_FALSE(writer.String(s));
+ }
+
+ // Fail in unicode escaping in ASCII output
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer, UTF32<>, ASCII<> > writer(buffer);
+ static const UTF32<>::Ch s[] = { 0x110000, 0 }; // Out of U+0000 to U+10FFFF
+ EXPECT_FALSE(writer.String(s));
+ }
+}
+
+TEST(Writer, ValidateEncoding) {
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer, UTF8<>, UTF8<>, CrtAllocator, kWriteValidateEncodingFlag> writer(buffer);
+ writer.StartArray();
+ EXPECT_TRUE(writer.String("\x24")); // Dollar sign U+0024
+ EXPECT_TRUE(writer.String("\xC2\xA2")); // Cents sign U+00A2
+ EXPECT_TRUE(writer.String("\xE2\x82\xAC")); // Euro sign U+20AC
+ EXPECT_TRUE(writer.String("\xF0\x9D\x84\x9E")); // G clef sign U+1D11E
+ writer.EndArray();
+ EXPECT_STREQ("[\"\x24\",\"\xC2\xA2\",\"\xE2\x82\xAC\",\"\xF0\x9D\x84\x9E\"]", buffer.GetString());
+ }
+
+ // Fail in decoding invalid UTF-8 sequence http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer, UTF8<>, UTF8<>, CrtAllocator, kWriteValidateEncodingFlag> writer(buffer);
+ writer.StartArray();
+ EXPECT_FALSE(writer.String("\xfe"));
+ EXPECT_FALSE(writer.String("\xff"));
+ EXPECT_FALSE(writer.String("\xfe\xfe\xff\xff"));
+ writer.EndArray();
+ }
+}
+
+TEST(Writer, InvalidEventSequence) {
+ // {]
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ writer.StartObject();
+ EXPECT_THROW(writer.EndArray(), AssertException);
+ EXPECT_FALSE(writer.IsComplete());
+ }
+
+ // [}
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ writer.StartArray();
+ EXPECT_THROW(writer.EndObject(), AssertException);
+ EXPECT_FALSE(writer.IsComplete());
+ }
+
+ // { 1:
+ {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ writer.StartObject();
+ EXPECT_THROW(writer.Int(1), AssertException);
+ EXPECT_FALSE(writer.IsComplete());
+ }
+}
+
+TEST(Writer, NaN) {
+ double nan = std::numeric_limits<double>::quiet_NaN();
+
+ EXPECT_TRUE(internal::Double(nan).IsNan());
+ StringBuffer buffer;
+ {
+ Writer<StringBuffer> writer(buffer);
+ EXPECT_FALSE(writer.Double(nan));
+ }
+ {
+ Writer<StringBuffer, UTF8<>, UTF8<>, CrtAllocator, kWriteNanAndInfFlag> writer(buffer);
+ EXPECT_TRUE(writer.Double(nan));
+ EXPECT_STREQ("NaN", buffer.GetString());
+ }
+ GenericStringBuffer<UTF16<> > buffer2;
+ Writer<GenericStringBuffer<UTF16<> > > writer2(buffer2);
+ EXPECT_FALSE(writer2.Double(nan));
+}
+
+TEST(Writer, Inf) {
+ double inf = std::numeric_limits<double>::infinity();
+
+ EXPECT_TRUE(internal::Double(inf).IsInf());
+ StringBuffer buffer;
+ {
+ Writer<StringBuffer> writer(buffer);
+ EXPECT_FALSE(writer.Double(inf));
+ }
+ {
+ Writer<StringBuffer> writer(buffer);
+ EXPECT_FALSE(writer.Double(-inf));
+ }
+ {
+ Writer<StringBuffer, UTF8<>, UTF8<>, CrtAllocator, kWriteNanAndInfFlag> writer(buffer);
+ EXPECT_TRUE(writer.Double(inf));
+ }
+ {
+ Writer<StringBuffer, UTF8<>, UTF8<>, CrtAllocator, kWriteNanAndInfFlag> writer(buffer);
+ EXPECT_TRUE(writer.Double(-inf));
+ }
+ EXPECT_STREQ("Infinity-Infinity", buffer.GetString());
+}
+
+TEST(Writer, RawValue) {
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ writer.StartObject();
+ writer.Key("a");
+ writer.Int(1);
+ writer.Key("raw");
+ const char json[] = "[\"Hello\\nWorld\", 123.456]";
+ writer.RawValue(json, strlen(json), kArrayType);
+ writer.EndObject();
+ EXPECT_TRUE(writer.IsComplete());
+ EXPECT_STREQ("{\"a\":1,\"raw\":[\"Hello\\nWorld\", 123.456]}", buffer.GetString());
+}