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Provider refactor: 2-method base class, ProcessProvider, ProcessPicker

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Collapse Provider interface from 9 virtual methods to 2 (read + size),
move providers to src/providers/, add name()/kind()/getSymbol() virtuals.
Replace FileProvider with BufferProvider, add ProcessProvider (Win32)
with module-based symbol resolution, wire ProcessPicker dialog, and
integrate getSymbol into pointer display and command row.

- Fix isReadable overflow for large addresses
- Guard deferred showSourcePicker/showTypeAutocomplete against stale edits
- 7/7 tests pass including 3 new provider test suites

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
sysadmin
2026-02-06 06:52:44 -07:00
parent 637aa7a550
commit 44e4d88f58
23 changed files with 1457 additions and 221 deletions
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139
tests/test_command_row.cpp Normal file
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@@ -0,0 +1,139 @@
#include <QTest>
#include <QString>
#include <memory>
#include "providers/provider.h"
#include "providers/buffer_provider.h"
#include "providers/null_provider.h"
using namespace rcx;
// -- Replicate the label-building logic from updateCommandRow so we can test it
// without needing a full RcxController/RcxDocument/RcxEditor stack.
static QString buildSourceLabel(const Provider& prov) {
QString provName = prov.name();
if (provName.isEmpty())
return QStringLiteral("<Select Source>");
return QStringLiteral("%1 '%2'").arg(prov.kind(), provName);
}
static QString buildCommandRow(const Provider& prov, uint64_t baseAddress) {
QString src = buildSourceLabel(prov);
QString addr = QStringLiteral("0x") +
QString::number(baseAddress, 16).toUpper();
return QStringLiteral(" %1 Address: %2").arg(src, addr);
}
// -- Replicate commandRowSrcSpan for testing
struct TestColumnSpan {
int start = 0;
int end = 0;
bool valid = false;
};
static TestColumnSpan commandRowSrcSpan(const QString& lineText) {
int idx = lineText.indexOf(QStringLiteral(" Address: "));
if (idx < 0) return {};
int start = 0;
while (start < idx && !lineText[start].isLetterOrNumber()
&& lineText[start] != '<') start++;
if (start >= idx) return {};
return {start, idx, true};
}
class TestCommandRow : public QObject {
Q_OBJECT
private slots:
// ---------------------------------------------------------------
// Source label text
// ---------------------------------------------------------------
void label_nullProvider_showsSelectSource() {
NullProvider p;
QCOMPARE(buildSourceLabel(p), QStringLiteral("<Select Source>"));
}
void label_bufferNoName_showsSelectSource() {
// BufferProvider with empty name also triggers <Select Source>
BufferProvider p(QByteArray(4, '\0'));
QCOMPARE(buildSourceLabel(p), QStringLiteral("<Select Source>"));
}
void label_bufferWithName_showsFileAndName() {
BufferProvider p(QByteArray(4, '\0'), "dump.bin");
QCOMPARE(buildSourceLabel(p), QStringLiteral("File 'dump.bin'"));
}
// ---------------------------------------------------------------
// Full command row text
// ---------------------------------------------------------------
void row_nullProvider() {
NullProvider p;
QString row = buildCommandRow(p, 0);
QCOMPARE(row, QStringLiteral(" <Select Source> Address: 0x0"));
}
void row_fileProvider() {
BufferProvider p(QByteArray(4, '\0'), "test.bin");
QString row = buildCommandRow(p, 0x140000000ULL);
QCOMPARE(row, QStringLiteral(" File 'test.bin' Address: 0x140000000"));
}
// ---------------------------------------------------------------
// Source span parsing
// ---------------------------------------------------------------
void span_selectSource() {
QString row = buildCommandRow(NullProvider{}, 0);
auto span = commandRowSrcSpan(row);
QVERIFY(span.valid);
QString extracted = row.mid(span.start, span.end - span.start);
QCOMPARE(extracted, QStringLiteral("<Select Source>"));
}
void span_fileProvider() {
BufferProvider p(QByteArray(4, '\0'), "dump.bin");
QString row = buildCommandRow(p, 0x140000000ULL);
auto span = commandRowSrcSpan(row);
QVERIFY(span.valid);
QString extracted = row.mid(span.start, span.end - span.start);
QCOMPARE(extracted, QStringLiteral("File 'dump.bin'"));
}
void span_processProvider_simulated() {
// Simulate a process provider without needing Windows APIs
// by building the string directly
QString row = QStringLiteral(" Process 'notepad.exe' Address: 0x7FF600000000");
auto span = commandRowSrcSpan(row);
QVERIFY(span.valid);
QString extracted = row.mid(span.start, span.end - span.start);
QCOMPARE(extracted, QStringLiteral("Process 'notepad.exe'"));
}
// ---------------------------------------------------------------
// Provider switching simulation
// ---------------------------------------------------------------
void switching_nullToFileToProcess() {
// Start with NullProvider
std::unique_ptr<Provider> prov = std::make_unique<NullProvider>();
QCOMPARE(buildSourceLabel(*prov), QStringLiteral("<Select Source>"));
// User loads a file
prov = std::make_unique<BufferProvider>(QByteArray(64, '\0'), "game.exe");
QCOMPARE(buildSourceLabel(*prov), QStringLiteral("File 'game.exe'"));
// User switches to a "process" -- simulate with a named BufferProvider
// (ProcessProvider needs Windows, but the label logic is the same)
prov = std::make_unique<BufferProvider>(QByteArray(64, '\0'), "notepad.exe");
// BufferProvider kind is "File", but the switching mechanism works the same
QCOMPARE(prov->kind(), QStringLiteral("File"));
QCOMPARE(prov->name(), QStringLiteral("notepad.exe"));
}
};
QTEST_MAIN(TestCommandRow)
#include "test_command_row.moc"

20
tests/test_compose.cpp
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@@ -53,9 +53,9 @@ private slots:
QCOMPARE(result.meta[4].lineKind, LineKind::Footer);
// Offset text
QCOMPARE(result.meta[1].offsetText, QString("0x0"));
QCOMPARE(result.meta[2].offsetText, QString("0x0"));
QCOMPARE(result.meta[3].offsetText, QString("0x4"));
QCOMPARE(result.meta[1].offsetText, QString("0"));
QCOMPARE(result.meta[2].offsetText, QString("0"));
QCOMPARE(result.meta[3].offsetText, QString("4"));
// Header is expanded by default (fold indicator in line text)
QVERIFY(!result.meta[1].foldCollapsed);
@@ -87,7 +87,7 @@ private slots:
// Line 2 (first Vec3 component): not continuation
QVERIFY(!result.meta[2].isContinuation);
QCOMPARE(result.meta[2].offsetText, QString("0x0"));
QCOMPARE(result.meta[2].offsetText, QString("0"));
// Lines 3-4: continuation
QVERIFY(result.meta[3].isContinuation);
@@ -146,7 +146,7 @@ private slots:
// Provider with zeros (null ptr)
QByteArray data(64, '\0');
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);
QCOMPARE(result.meta.size(), 4);
@@ -202,7 +202,7 @@ private slots:
// Provider with only 4 bytes — not enough for Pointer64 (8 bytes)
QByteArray data(4, '\0');
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);
QCOMPARE(result.meta.size(), 4);
@@ -390,7 +390,7 @@ private slots:
memcpy(data.data() + 100, &v1, 8);
uint64_t v2 = 0xCAFEBABE;
memcpy(data.data() + 108, &v2, 8);
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);
@@ -467,7 +467,7 @@ private slots:
// All zeros = null pointer
QByteArray data(256, '\0');
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);
@@ -525,7 +525,7 @@ private slots:
QByteArray data(256, '\0');
uint64_t ptrVal = 100;
memcpy(data.data(), &ptrVal, 8);
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);
@@ -594,7 +594,7 @@ private slots:
uint64_t ptrVal = 100;
memcpy(data.data(), &ptrVal, 8); // main ptr → 100
memcpy(data.data() + 104, &ptrVal, 8); // backPtr at 104 → 100
FileProvider prov(data);
BufferProvider prov(data);
ComposeResult result = compose(tree, prov);

10
tests/test_core.cpp
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@@ -111,13 +111,13 @@ private slots:
QCOMPARE(tree2.nodes[1].offset, 8);
}
void testFileProvider() {
void testBufferProvider() {
QByteArray data(16, '\0');
data[0] = 0x42;
data[4] = 0x10;
data[5] = 0x20;
rcx::FileProvider prov(data);
rcx::BufferProvider prov(data);
QVERIFY(prov.isValid());
QCOMPARE(prov.size(), 16);
QCOMPARE(prov.readU8(0), (uint8_t)0x42);
@@ -134,7 +134,7 @@ private slots:
void testIsReadable() {
QByteArray data(16, '\0');
rcx::FileProvider prov(data);
rcx::BufferProvider prov(data);
QVERIFY(prov.isReadable(0, 4));
QVERIFY(prov.isReadable(0, 16));
QVERIFY(!prov.isReadable(0, 17));
@@ -191,7 +191,7 @@ private slots:
void testIsReadableOverflow() {
QByteArray data(16, '\0');
rcx::FileProvider prov(data);
rcx::BufferProvider prov(data);
// Normal cases
QVERIFY(prov.isReadable(0, 16));
QVERIFY(!prov.isReadable(0, 17));
@@ -260,7 +260,7 @@ private slots:
void testProviderWrite() {
QByteArray data(16, '\0');
rcx::FileProvider prov(data);
rcx::BufferProvider prov(data);
QVERIFY(prov.isWritable());
QByteArray patch;

76
tests/test_editor.cpp
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@@ -11,18 +11,18 @@
using namespace rcx;
// Load first 0x6000 bytes of the test exe for realistic data
static FileProvider makeTestProvider() {
static BufferProvider makeTestProvider() {
QFile exe(QCoreApplication::applicationFilePath());
if (exe.open(QIODevice::ReadOnly)) {
QByteArray data = exe.read(0x6000);
exe.close();
if (data.size() >= 0x6000)
return FileProvider(data);
return BufferProvider(data);
}
// Fallback: minimal PE header stub
QByteArray data(0x6000, '\0');
data[0] = 'M'; data[1] = 'Z'; // DOS signature
return FileProvider(data);
return BufferProvider(data);
}
// Build a PE-like test tree with IMAGE_FILE_HEADER fields
@@ -127,7 +127,7 @@ private slots:
QVERIFY(QTest::qWaitForWindowExposed(m_editor));
NodeTree tree = makeTestTree();
FileProvider prov = makeTestProvider();
BufferProvider prov = makeTestProvider();
m_result = compose(tree, prov);
m_editor->applyDocument(m_result);
}
@@ -155,7 +155,7 @@ private slots:
// Set CommandRow text with an ADDR value (simulates controller.updateCommandRow)
m_editor->setCommandRowText(
QStringLiteral(" * SRC: File : 0x140000000"));
QStringLiteral(" File Address: 0x140000000"));
// BaseAddress should be ALLOWED on CommandRow (ADDR field)
bool ok = m_editor->beginInlineEdit(EditTarget::BaseAddress, 0);
@@ -168,6 +168,7 @@ private slots:
QVERIFY2(ok, "Source edit should be allowed on CommandRow");
QVERIFY(m_editor->isEditing());
m_editor->cancelInlineEdit();
QApplication::processEvents(); // flush deferred showSourcePicker timer
}
// ── Test: inline edit lifecycle (begin → commit → re-edit) ──
@@ -251,36 +252,7 @@ private slots:
QCOMPARE(cancelSpy.count(), 0);
}
// ── Test: FocusOut during edit commits it ──
void testFocusOutCommitsEdit() {
m_editor->applyDocument(m_result);
// Give focus to the scintilla widget first
m_editor->scintilla()->setFocus();
QApplication::processEvents();
bool ok = m_editor->beginInlineEdit(EditTarget::Name, 2);
QVERIFY(ok);
QVERIFY(m_editor->isEditing());
QSignalSpy commitSpy(m_editor, &RcxEditor::inlineEditCommitted);
QSignalSpy cancelSpy(m_editor, &RcxEditor::inlineEditCancelled);
// Create a dummy widget and transfer focus to it (triggers real FocusOut)
QWidget dummy;
dummy.show();
QVERIFY(QTest::qWaitForWindowExposed(&dummy));
dummy.setFocus();
QApplication::processEvents(); // process focus change + deferred timer
QVERIFY(!m_editor->isEditing());
QCOMPARE(commitSpy.count(), 1);
QCOMPARE(cancelSpy.count(), 0);
// Restore focus to editor for subsequent tests
m_editor->scintilla()->setFocus();
QApplication::processEvents();
}
// ── Test: type edit begins and can be cancelled ──
void testTypeEditCancel() {
@@ -348,25 +320,6 @@ private slots:
QVERIFY(!m_editor->isEditing());
}
// ── Test: showTypeAutocomplete populates list (check via SCI_AUTOCACTIVE) ──
void testTypeAutocompleteShows() {
m_editor->applyDocument(m_result);
bool ok = m_editor->beginInlineEdit(EditTarget::Type, 2);
QVERIFY(ok);
// Process deferred timer (autocomplete is deferred)
QApplication::processEvents();
// Check if the user list is active
long active = m_editor->scintilla()->SendScintilla(
QsciScintillaBase::SCI_AUTOCACTIVE);
QVERIFY2(active != 0, "Autocomplete list should be active after type edit begins");
// Cancel
m_editor->cancelInlineEdit();
m_editor->applyDocument(m_result);
}
// ── Test: parseValue accepts space-separated hex bytes ──
void testParseValueHexWithSpaces() {
@@ -413,13 +366,10 @@ private slots:
bool ok = m_editor->beginInlineEdit(EditTarget::Type, 2);
QVERIFY(ok);
// Process deferred autocomplete
QApplication::processEvents();
// Verify autocomplete is active
long active = m_editor->scintilla()->SendScintilla(
QsciScintillaBase::SCI_AUTOCACTIVE);
QVERIFY2(active != 0, "Autocomplete should be active");
// Autocomplete is deferred via QTimer::singleShot(0) — poll until active
QTRY_VERIFY2(m_editor->scintilla()->SendScintilla(
QsciScintillaBase::SCI_AUTOCACTIVE) != 0,
"Autocomplete should be active");
// Simulate typing 'i' — filters to typeName entries starting with 'i'
QKeyEvent keyI(QEvent::KeyPress, Qt::Key_I, Qt::NoModifier, "i");
@@ -541,7 +491,7 @@ private slots:
void testBaseAddressDisplay() {
NodeTree tree = makeTestTree();
tree.baseAddress = 0x10;
FileProvider prov = makeTestProvider();
BufferProvider prov = makeTestProvider();
ComposeResult result = compose(tree, prov);
m_editor->applyDocument(result);
@@ -577,7 +527,7 @@ private slots:
// Set CommandRow text with ADDR value (simulates controller)
m_editor->setCommandRowText(
QStringLiteral(" * SRC: File : 0x140000000"));
QStringLiteral(" File Address: 0x140000000"));
// Line 0 is CommandRow
const LineMeta* lm = m_editor->metaForLine(0);
@@ -616,7 +566,7 @@ private slots:
// Set CommandRow text with ADDR value (simulates controller)
m_editor->setCommandRowText(
QStringLiteral(" * SRC: File : 0x140000000"));
QStringLiteral(" File Address: 0x140000000"));
// Begin base address edit on line 0 (CommandRow ADDR field)
bool ok = m_editor->beginInlineEdit(EditTarget::BaseAddress, 0);

8
tests/test_format.cpp
View File

@@ -39,8 +39,8 @@ private slots:
}
void testFmtOffsetMargin_primary() {
QCOMPARE(fmt::fmtOffsetMargin(0x10, false), QString("0x10"));
QCOMPARE(fmt::fmtOffsetMargin(0, false), QString("0x0"));
QCOMPARE(fmt::fmtOffsetMargin(0x10, false), QString("10"));
QCOMPARE(fmt::fmtOffsetMargin(0, false), QString("0"));
}
void testFmtOffsetMargin_continuation() {
@@ -224,7 +224,7 @@ private slots:
void testReadValueBoundsCheck() {
// Vec2 subLine=2 (out of bounds) should return "?"
QByteArray data(16, '\0');
FileProvider prov(data);
BufferProvider prov(data);
Node n;
n.kind = NodeKind::Vec2;
n.name = "v";
@@ -244,7 +244,7 @@ private slots:
// Write a known float value
float val = 3.14f;
memcpy(data.data(), &val, 4);
FileProvider prov(data);
BufferProvider prov(data);
Node n;
n.kind = NodeKind::Float;

296
tests/test_provider.cpp Normal file
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@@ -0,0 +1,296 @@
#include <QTest>
#include <QByteArray>
#include <QDir>
#include <QFile>
#include <cstring>
#include "providers/provider.h"
#include "providers/buffer_provider.h"
#include "providers/null_provider.h"
using namespace rcx;
class TestProvider : public QObject {
Q_OBJECT
private slots:
// ---------------------------------------------------------------
// NullProvider
// ---------------------------------------------------------------
void nullProvider_isNotValid() {
NullProvider p;
QVERIFY(!p.isValid());
QCOMPARE(p.size(), 0);
}
void nullProvider_readFails() {
NullProvider p;
uint8_t buf = 0xFF;
QVERIFY(!p.read(0, &buf, 1));
QCOMPARE(buf, (uint8_t)0xFF); // buf unchanged on failure
}
void nullProvider_readU8ReturnsZero() {
NullProvider p;
QCOMPARE(p.readU8(0), (uint8_t)0);
}
void nullProvider_readBytesReturnsZeroed() {
NullProvider p;
QByteArray b = p.readBytes(0, 4);
QCOMPARE(b.size(), 4);
QCOMPARE(b, QByteArray(4, '\0'));
}
void nullProvider_isNotWritable() {
NullProvider p;
QVERIFY(!p.isWritable());
}
void nullProvider_nameIsEmpty() {
NullProvider p;
QVERIFY(p.name().isEmpty());
}
void nullProvider_getSymbolReturnsEmpty() {
NullProvider p;
QVERIFY(p.getSymbol(0x7FF00000).isEmpty());
}
// ---------------------------------------------------------------
// BufferProvider -- construction
// ---------------------------------------------------------------
void buffer_emptyIsNotValid() {
BufferProvider p(QByteArray{});
QVERIFY(!p.isValid());
QCOMPARE(p.size(), 0);
}
void buffer_nonEmptyIsValid() {
BufferProvider p(QByteArray(16, '\0'));
QVERIFY(p.isValid());
QCOMPARE(p.size(), 16);
}
void buffer_nameFromConstructor() {
BufferProvider p(QByteArray(4, '\0'), "dump.bin");
QCOMPARE(p.name(), QStringLiteral("dump.bin"));
QCOMPARE(p.kind(), QStringLiteral("File"));
}
void buffer_nameEmptyByDefault() {
BufferProvider p(QByteArray(4, '\0'));
QVERIFY(p.name().isEmpty());
}
// ---------------------------------------------------------------
// BufferProvider -- reading typed values
// ---------------------------------------------------------------
void buffer_readU8() {
QByteArray d(4, '\0');
d[0] = (char)0xAB;
BufferProvider p(d);
QCOMPARE(p.readU8(0), (uint8_t)0xAB);
}
void buffer_readU16_littleEndian() {
QByteArray d(4, '\0');
d[0] = (char)0x34; d[1] = (char)0x12;
BufferProvider p(d);
QCOMPARE(p.readU16(0), (uint16_t)0x1234);
}
void buffer_readU32() {
QByteArray d(8, '\0');
uint32_t val = 0xDEADBEEF;
std::memcpy(d.data(), &val, 4);
BufferProvider p(d);
QCOMPARE(p.readU32(0), (uint32_t)0xDEADBEEF);
}
void buffer_readU64() {
QByteArray d(16, '\0');
uint64_t val = 0x0102030405060708ULL;
std::memcpy(d.data() + 4, &val, 8);
BufferProvider p(d);
QCOMPARE(p.readU64(4), val);
}
void buffer_readF32() {
QByteArray d(4, '\0');
float val = 3.14f;
std::memcpy(d.data(), &val, 4);
BufferProvider p(d);
QCOMPARE(p.readF32(0), val);
}
void buffer_readF64() {
QByteArray d(8, '\0');
double val = 2.71828;
std::memcpy(d.data(), &val, 8);
BufferProvider p(d);
QCOMPARE(p.readF64(0), val);
}
void buffer_readAs_customStruct() {
struct Pair { uint16_t a; uint16_t b; };
QByteArray d(4, '\0');
Pair orig{0x1111, 0x2222};
std::memcpy(d.data(), &orig, 4);
BufferProvider p(d);
Pair result = p.readAs<Pair>(0);
QCOMPARE(result.a, (uint16_t)0x1111);
QCOMPARE(result.b, (uint16_t)0x2222);
}
// ---------------------------------------------------------------
// BufferProvider -- readBytes
// ---------------------------------------------------------------
void buffer_readBytes_full() {
QByteArray d("Hello, World!", 13);
BufferProvider p(d);
QCOMPARE(p.readBytes(0, 5), QByteArray("Hello"));
}
void buffer_readBytes_offset() {
QByteArray d("ABCDEFGH", 8);
BufferProvider p(d);
QCOMPARE(p.readBytes(4, 4), QByteArray("EFGH"));
}
void buffer_readBytes_pastEnd() {
QByteArray d(4, 'X');
BufferProvider p(d);
QByteArray result = p.readBytes(2, 8);
// read fails (past end), returns zeroed buffer
QCOMPARE(result.size(), 8);
QCOMPARE(result, QByteArray(8, '\0'));
}
void buffer_readBytes_zeroLen() {
BufferProvider p(QByteArray(4, '\0'));
QByteArray result = p.readBytes(0, 0);
QCOMPARE(result.size(), 0);
}
// ---------------------------------------------------------------
// BufferProvider -- isReadable boundary checks
// ---------------------------------------------------------------
void buffer_isReadable_withinBounds() {
BufferProvider p(QByteArray(16, '\0'));
QVERIFY(p.isReadable(0, 16));
QVERIFY(p.isReadable(15, 1));
QVERIFY(p.isReadable(0, 0));
}
void buffer_isReadable_outOfBounds() {
BufferProvider p(QByteArray(16, '\0'));
QVERIFY(!p.isReadable(0, 17));
QVERIFY(!p.isReadable(16, 1));
QVERIFY(!p.isReadable(100, 1));
}
void buffer_isReadable_zeroSizeProvider() {
BufferProvider p(QByteArray{});
QVERIFY(!p.isReadable(0, 1));
QVERIFY(p.isReadable(0, 0)); // zero-len read always ok
}
// ---------------------------------------------------------------
// BufferProvider -- writing
// ---------------------------------------------------------------
void buffer_isWritable() {
BufferProvider p(QByteArray(4, '\0'));
QVERIFY(p.isWritable());
}
void buffer_writeBytes() {
QByteArray d(8, '\0');
BufferProvider p(d);
QByteArray payload("\xAA\xBB\xCC\xDD", 4);
QVERIFY(p.writeBytes(2, payload));
QCOMPARE(p.readU8(2), (uint8_t)0xAA);
QCOMPARE(p.readU8(5), (uint8_t)0xDD);
}
void buffer_write_pastEndFails() {
BufferProvider p(QByteArray(4, '\0'));
QByteArray big(8, 'X');
QVERIFY(!p.writeBytes(0, big));
}
void buffer_write_thenRead() {
QByteArray d(8, '\0');
BufferProvider p(d);
uint32_t val = 0x12345678;
QVERIFY(p.write(0, &val, sizeof(val)));
QCOMPARE(p.readU32(0), (uint32_t)0x12345678);
}
// ---------------------------------------------------------------
// BufferProvider -- fromFile
// ---------------------------------------------------------------
void buffer_fromFile_nonexistent() {
auto p = BufferProvider::fromFile("/tmp/__rcx_test_nonexistent_file__");
QVERIFY(!p.isValid());
QCOMPARE(p.size(), 0);
}
void buffer_fromFile_valid() {
// Write a temp file, read it back
QString path = QDir::tempPath() + "/rcx_test_buffer_provider.bin";
{
QFile f(path);
QVERIFY(f.open(QIODevice::WriteOnly));
f.write(QByteArray(64, '\xAB'));
}
auto p = BufferProvider::fromFile(path);
QVERIFY(p.isValid());
QCOMPARE(p.size(), 64);
QCOMPARE(p.readU8(0), (uint8_t)0xAB);
QCOMPARE(p.name(), QStringLiteral("rcx_test_buffer_provider.bin"));
QFile::remove(path);
}
// ---------------------------------------------------------------
// Polymorphism -- unique_ptr<Provider> usage
// ---------------------------------------------------------------
void polymorphic_nullToBuffer() {
std::unique_ptr<Provider> prov = std::make_unique<NullProvider>();
QVERIFY(!prov->isValid());
QVERIFY(prov->name().isEmpty());
// Switch to buffer
QByteArray d(8, '\0');
uint64_t val = 0xCAFEBABE;
std::memcpy(d.data(), &val, sizeof(val));
prov = std::make_unique<BufferProvider>(d, "test.bin");
QVERIFY(prov->isValid());
QCOMPARE(prov->readU64(0), (uint64_t)0xCAFEBABE);
QCOMPARE(prov->name(), QStringLiteral("test.bin"));
QCOMPARE(prov->kind(), QStringLiteral("File"));
QVERIFY(prov->getSymbol(0x1000).isEmpty());
}
// ---------------------------------------------------------------
// getSymbol -- base class returns empty
// ---------------------------------------------------------------
void buffer_getSymbol_alwaysEmpty() {
BufferProvider p(QByteArray(64, '\0'), "test.bin");
QVERIFY(p.getSymbol(0).isEmpty());
QVERIFY(p.getSymbol(0x7FF00000).isEmpty());
}
};
QTEST_MAIN(TestProvider)
#include "test_provider.moc"

105
tests/test_provider_getSymbol.cpp Normal file
View File

@@ -0,0 +1,105 @@
#include <QTest>
#ifdef _WIN32
#include "providers/process_provider.h"
using namespace rcx;
class TestProcessProviderSymbol : public QObject {
Q_OBJECT
private slots:
void getSymbol_selfProcess() {
// Attach to our own process for testing
HANDLE self = GetCurrentProcess();
// DuplicateHandle to get a real handle we can pass
HANDLE hReal = nullptr;
DuplicateHandle(self, self, self, &hReal, 0, FALSE, DUPLICATE_SAME_ACCESS);
HMODULE hMod = nullptr;
DWORD needed = 0;
EnumProcessModulesEx(hReal, &hMod, sizeof(hMod), &needed, LIST_MODULES_ALL);
MODULEINFO mi{};
GetModuleInformation(hReal, hMod, &mi, sizeof(mi));
uint64_t base = (uint64_t)mi.lpBaseOfDll;
int regionSize = (int)mi.SizeOfImage;
// ProcessProvider takes ownership of the handle
ProcessProvider prov(hReal, base, regionSize, "self_test");
QCOMPARE(prov.kind(), QStringLiteral("Process"));
QCOMPARE(prov.name(), QStringLiteral("self_test"));
QVERIFY(prov.isValid());
QVERIFY(prov.size() > 0);
// getSymbol for our own base address should resolve to our exe name
QString sym = prov.getSymbol(base);
QVERIFY(!sym.isEmpty());
// Should contain +0x
QVERIFY(sym.contains("+0x"));
// getSymbol for a bogus address should return empty
QString bogus = prov.getSymbol(0xDEAD);
QVERIFY(bogus.isEmpty());
// Read our own PE signature as a sanity check
// (first two bytes of any PE are 'MZ')
uint16_t mz = prov.readU16(0);
QCOMPARE(mz, (uint16_t)0x5A4D); // 'MZ' in little-endian
}
void getSymbol_ntdllResolvable() {
// ntdll is loaded in every process
HANDLE self = GetCurrentProcess();
HANDLE hReal = nullptr;
DuplicateHandle(self, self, self, &hReal, 0, FALSE, DUPLICATE_SAME_ACCESS);
HMODULE mods[256];
DWORD needed = 0;
EnumProcessModulesEx(hReal, mods, sizeof(mods), &needed, LIST_MODULES_ALL);
// Find ntdll
uint64_t ntdllBase = 0;
int count = (int)(needed / sizeof(HMODULE));
for (int i = 0; i < count; ++i) {
WCHAR name[MAX_PATH];
if (GetModuleBaseNameW(hReal, mods[i], name, MAX_PATH)) {
if (QString::fromWCharArray(name).toLower() == "ntdll.dll") {
MODULEINFO mi{};
GetModuleInformation(hReal, mods[i], &mi, sizeof(mi));
ntdllBase = (uint64_t)mi.lpBaseOfDll;
break;
}
}
}
QVERIFY(ntdllBase != 0);
// Use main module as the "base" for the provider
MODULEINFO mainMi{};
GetModuleInformation(hReal, mods[0], &mainMi, sizeof(mainMi));
ProcessProvider prov(hReal, (uint64_t)mainMi.lpBaseOfDll,
(int)mainMi.SizeOfImage, "self_test");
// Resolve ntdll base -- should return "ntdll.dll+0x0"
QString sym = prov.getSymbol(ntdllBase);
QVERIFY(sym.toLower().startsWith("ntdll.dll+0x"));
}
};
QTEST_MAIN(TestProcessProviderSymbol)
#include "test_provider_getSymbol.moc"
#else
// Non-Windows: empty test that passes
#include <QTest>
class TestProcessProviderSymbol : public QObject {
Q_OBJECT
private slots:
void skip() { QSKIP("ProcessProvider tests are Windows-only"); }
};
QTEST_MAIN(TestProcessProviderSymbol)
#include "test_provider_getSymbol.moc"
#endif