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Improve coverage of encoded streams

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This commit is contained in:
Milo Yip 2015-04-14 21:08:33 +08:00
parent 4be4857a19
commit 872aba660c
2 changed files with 26 additions and 15 deletions
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7
include/rapidjson/encodedstream.h
View File

@ -109,6 +109,7 @@ public:
\param type UTF encoding type if it is not detected from the stream.
*/
AutoUTFInputStream(InputByteStream& is, UTFType type = kUTF8) : is_(&is), type_(type), hasBOM_(false) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
DetectType();
static const TakeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Take) };
takeFunc_ = f[type_];
@ -189,8 +190,6 @@ private:
case kUTF32BE:
RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
break;
default:
RAPIDJSON_ASSERT(false); // Invalid type
}
}
@ -220,6 +219,8 @@ public:
\param putBOM Whether to write BOM at the beginning of the stream.
*/
AutoUTFOutputStream(OutputByteStream& os, UTFType type, bool putBOM) : os_(&os), type_(type) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
// RUntime check whether the size of character type is sufficient. It only perform checks with assertion.
switch (type_) {
case kUTF16LE:
@ -233,8 +234,6 @@ public:
case kUTF8:
// Do nothing
break;
default:
RAPIDJSON_ASSERT(false); // Invalid UTFType
}
static const PutFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Put) };

34
test/unittest/encodedstreamtest.cpp
View File

@ -119,10 +119,11 @@ protected:
}
EXPECT_EQ('\0', s.Peek());
free(data);
EXPECT_EQ(size, eis.Tell());
}
}
void TestAutoUTFInputStream(const char *filename) {
void TestAutoUTFInputStream(const char *filename, bool expectHasBOM) {
// Test FileReadStream
{
char buffer[16];
@ -130,6 +131,7 @@ protected:
ASSERT_TRUE(fp != 0);
FileReadStream fs(fp, buffer, sizeof(buffer));
AutoUTFInputStream<unsigned, FileReadStream> eis(fs);
EXPECT_EQ(expectHasBOM, eis.HasBOM());
StringStream s(json_);
while (eis.Peek() != '\0') {
unsigned expected, actual;
@ -147,6 +149,7 @@ protected:
char* data = ReadFile(filename, true, &size);
MemoryStream ms(data, size);
AutoUTFInputStream<unsigned, MemoryStream> eis(ms);
EXPECT_EQ(expectHasBOM, eis.HasBOM());
StringStream s(json_);
while (eis.Peek() != '\0') {
@ -264,16 +267,25 @@ TEST_F(EncodedStreamTest, EncodedInputStream) {
}
TEST_F(EncodedStreamTest, AutoUTFInputStream) {
TestAutoUTFInputStream("utf8.json");
TestAutoUTFInputStream("utf8bom.json");
TestAutoUTFInputStream("utf16le.json");
TestAutoUTFInputStream("utf16lebom.json");
TestAutoUTFInputStream("utf16be.json");
TestAutoUTFInputStream("utf16bebom.json");
TestAutoUTFInputStream("utf32le.json");
TestAutoUTFInputStream("utf32lebom.json");
TestAutoUTFInputStream("utf32be.json");
TestAutoUTFInputStream("utf32bebom.json");
TestAutoUTFInputStream("utf8.json", false);
TestAutoUTFInputStream("utf8bom.json", true);
TestAutoUTFInputStream("utf16le.json", false);
TestAutoUTFInputStream("utf16lebom.json",true);
TestAutoUTFInputStream("utf16be.json", false);
TestAutoUTFInputStream("utf16bebom.json",true);
TestAutoUTFInputStream("utf32le.json", false);
TestAutoUTFInputStream("utf32lebom.json",true);
TestAutoUTFInputStream("utf32be.json", false);
TestAutoUTFInputStream("utf32bebom.json", true);
{
// Auto detection fail, use user defined UTF type
const char json[] = "{}";
MemoryStream ms(json, sizeof(json));
AutoUTFInputStream<unsigned, MemoryStream> eis(ms, kUTF8);
EXPECT_FALSE(eis.HasBOM());
EXPECT_EQ(kUTF8, eis.GetType());
}
}
TEST_F(EncodedStreamTest, EncodedOutputStream) {