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#include "TestSupport.h"
#include <string>
#include <algorithm>
#include <cstddef>
#include <Utils/HttpHeaderBufferer.h>
using namespace Passenger;
using namespace std;
namespace tut {
struct HttpHeaderBuffererTest {
HttpHeaderBufferer bufferer;
string input;
HttpHeaderBuffererTest() {
input = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain\r\n"
"Connection: close\r\n"
"\r\n";
}
};
DEFINE_TEST_GROUP(HttpHeaderBuffererTest);
TEST_METHOD(1) {
// Test initial state.
ensure(bufferer.acceptingInput());
ensure(!bufferer.hasError());
}
TEST_METHOD(2) {
// Test feeding a complete stream everything in one go.
ensure_equals(bufferer.feed(input.data(), input.size()), input.size());
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure_equals("It does not copy any data",
bufferer.getData().data(), input.data());
ensure_equals(bufferer.getData().size(), input.size());
}
TEST_METHOD(3) {
// Test feeding a complete stream byte by byte.
const char *pos = input.data();
const char *end = input.data() + input.size();
while (pos < end) {
ensure(bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure_equals(bufferer.feed(pos, 1), 1u);
pos++;
}
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure("It copies the fed data into an internal buffer",
bufferer.getData().data() != input.data());
ensure_equals(bufferer.getData(), input);
}
TEST_METHOD(4) {
// Test feeding a complete stream in pieces of 2 bytes.
const char *pos = input.data();
const char *end = input.data() + input.size();
while (pos < end) {
ensure("(1)", bufferer.acceptingInput());
ensure("(2)", !bufferer.hasError());
size_t size = std::min<size_t>(2, end - pos);
ensure_equals(bufferer.feed(pos, size), size);
pos += 2;
}
ensure("(3)", !bufferer.acceptingInput());
ensure("(4)", !bufferer.hasError());
ensure("It copies the fed data into an internal buffer",
bufferer.getData().data() != input.data());
ensure_equals(bufferer.getData(), input);
}
TEST_METHOD(5) {
// Test feeding a complete stream in pieces of 3 bytes.
const char *pos = input.data();
const char *end = input.data() + input.size();
while (pos < end) {
ensure("(1)", bufferer.acceptingInput());
ensure("(2)", !bufferer.hasError());
size_t size = std::min<size_t>(3, end - pos);
ensure_equals(bufferer.feed(pos, size), size);
pos += 3;
}
ensure("(3)", !bufferer.acceptingInput());
ensure("(4)", !bufferer.hasError());
ensure("It copies the fed data into an internal buffer",
bufferer.getData().data() != input.data());
ensure_equals(bufferer.getData(), input);
}
TEST_METHOD(20) {
// It refuses to accept any more data after the header terminator until reset is called.
string input2 = input;
input2.append("hello world");
ensure_equals(bufferer.feed(input2.data(), input2.size()), input.size());
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure_equals(bufferer.getData().data(), input2.data());
ensure_equals(bufferer.getData(), input);
ensure_equals(bufferer.feed(input.data(), input.size()), 0u);
bufferer.reset();
ensure_equals(bufferer.feed(input2.data(), input2.size()), input.size());
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure_equals(bufferer.getData().data(), input2.data());
ensure_equals(bufferer.getData(), input);
}
TEST_METHOD(21) {
// Same test as above, except we feed byte-by-byte.
string input2 = input;
input2.append("hello world");
const char *pos;
const char *end;
pos = input2.data();
end = input2.data() + input.size();
while (pos < end) {
ensure_equals("(1)", bufferer.feed(pos, 1), 1u);
pos++;
}
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
end = input2.data() + input2.size();
while (pos < end) {
ensure_equals("(2)", bufferer.feed(pos, 1), 0u);
pos++;
}
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure(bufferer.getData().data() != input2.data());
ensure_equals(bufferer.getData(), input);
bufferer.reset();
pos = input2.data();
end = input2.data() + input.size();
while (pos < end) {
ensure_equals("(3)", bufferer.feed(pos, 1), 1u);
pos++;
}
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
end = input2.data() + input2.size();
while (pos < end) {
ensure_equals("(4)", bufferer.feed(pos, 1), 0u);
pos++;
}
ensure(!bufferer.acceptingInput());
ensure(!bufferer.hasError());
ensure(bufferer.getData().data() != input2.data());
ensure_equals(bufferer.getData(), input);
}
TEST_METHOD(22) {
// Test inputting data larger than the max size.
input.assign(1024, '\0');
bufferer.setMax(512);
ensure_equals(bufferer.feed(input.data(), input.size()), 512u);
ensure(!bufferer.acceptingInput());
ensure(bufferer.hasError());
}
TEST_METHOD(23) {
// Some as above, except we feed byte-by-byte.
unsigned int i;
bufferer.setMax(512);
for (i = 0; i < 512; i++) {
ensure_equals(bufferer.feed("\0", 1), 1u);
}
ensure(!bufferer.acceptingInput());
ensure(bufferer.hasError());
for (i = 0; i < 512; i++) {
ensure_equals(bufferer.feed("\0", 1), 0u);
}
ensure(!bufferer.acceptingInput());
ensure(bufferer.hasError());
}
TEST_METHOD(24) {
// Test garbage.
input.clear();
for (int i = 0; i < 256; i++) {
input.append(1, (char) i);
}
bufferer.feed(input.data(), input.size());
ensure(bufferer.acceptingInput());
ensure(!bufferer.hasError());
}
}
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