cpython/capi_tests/test_tuple.c at pythoncapi · pythoncapi/cpython · GitHub

History

356 lines (301 loc) · 7.55 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

/* Test PyTuple C API */

/* FIXME: write tests for:

- PyTuple_Type

- PyTupleIter_Type

- PyTuple_Check()

- PyTuple_GetSlice()

/* Not tested in CPython 3.8 full API:

- PyTupleObject

- _PyTuple_Resize()

- _PyTuple_MaybeUntrack()

- PyTuple_ClearFreeList()

- _PyTuple_DebugMallocStats()

#include <stdlib.h>

#include <check.h>

#include <Python.h>

#define SMALL_SIZE 5

typedef enum {

STRONG,

#ifndef Py_NEWCAPI

MACRO,

BORROW

#endif

} func_type;

static void

check_PyTuple_New(size_t size)

{

PyObject *tuple = PyTuple_New(size);

ck_assert_ptr_nonnull(tuple);

ck_assert(PyTuple_CheckExact(tuple));

/* don't check Py_REFCNT() on PyTuple_New(0): CPython uses a singleton */

if (size != 0) {

ck_assert_int_eq(Py_REFCNT(tuple), 1);

}

ck_assert_int_eq(PyTuple_Size(tuple), size);

Py_DECREF(tuple);

}

START_TEST(test_PyTuple_New)

{

check_PyTuple_New(0);

check_PyTuple_New(1);

check_PyTuple_New(5);

PyObject *tuple = PyTuple_New(-1);

ck_assert_ptr_null(tuple);

PyErr_Clear();

}

END_TEST

START_TEST(test_PyTuple_CheckExact)

{

PyObject *tuple = PyTuple_New(0);

ck_assert_ptr_nonnull(tuple);

ck_assert(PyTuple_CheckExact(tuple));

Py_DECREF(tuple);

PyObject *list = PyList_New(0);

ck_assert_ptr_nonnull(list);

ck_assert(!PyTuple_CheckExact(list));

Py_DECREF(list);

}

END_TEST

static void

check_PyTuple_SizeN(size_t size, int use_macro)

{

PyObject *tuple = PyTuple_New(size);

ck_assert_ptr_nonnull(tuple);

for (size_t i = 0; i < size; i++) {

int res = PyTuple_SetItemRef(tuple, i, Py_None);

ck_assert_int_eq(res, 0);

}

Py_ssize_t tuple_size;

if (use_macro) {

tuple_size = PyTuple_GET_SIZE(tuple);

}

else {

tuple_size = PyTuple_Size(tuple);

}

ck_assert_int_eq(tuple_size, size);

Py_DECREF(tuple);

}

static void

check_PyTuple_Size(int use_macro)

{

check_PyTuple_SizeN(0, use_macro);

check_PyTuple_SizeN(1, use_macro);

check_PyTuple_SizeN(2, use_macro);

check_PyTuple_SizeN(5, use_macro);

}

START_TEST(test_PyTuple_Size)

{

check_PyTuple_Size(0);

}

END_TEST

START_TEST(test_PyTuple_GET_SIZE)

{

check_PyTuple_Size(1);

}

END_TEST

static PyObject*

create_tuple(const size_t size, PyObject **items)

{

PyObject *tuple = PyTuple_New(size);

ck_assert_ptr_nonnull(tuple);

for (size_t i = 0; i < size; i++) {

PyObject *obj = PyLong_FromLong(i);

ck_assert_ptr_nonnull(obj);

int res = PyTuple_SetItemRef(tuple, i, obj);

ck_assert_int_eq(res, 0);

items[i] = obj;

}

return tuple;

}

static void

free_tuple(PyObject *tuple, PyObject **items)

{

size_t size = PyTuple_Size(tuple);

for (size_t i = 0; i < size; i++) {

Py_DECREF(items[i]);

}

Py_DECREF(tuple);

}

static void

check_PyTuple_GetItem(func_type ftype)

{

const size_t size = SMALL_SIZE;

PyObject* items[size]; /* strong references */

PyObject *tuple = create_tuple(size, items);

for (size_t i = 0; i < size; i++) {

PyObject *obj; /* borrowed reference */

Py_ssize_t refcnt = Py_REFCNT(items[i]);

switch(ftype) {

case STRONG:

obj = PyTuple_GetItemRef(tuple, i);

ck_assert_int_eq(Py_REFCNT(obj), refcnt + 1);

break;

#ifndef Py_NEWCAPI

case MACRO:

obj = PyTuple_GET_ITEM(tuple, i);

ck_assert_int_eq(Py_REFCNT(obj), refcnt);

Py_INCREF(obj);

break;

case BORROW:

obj = PyTuple_GetItem(tuple, i);

ck_assert_int_eq(Py_REFCNT(obj), refcnt);

Py_INCREF(obj);

break;

#endif

}

ck_assert_ptr_eq(obj, items[i]);

Py_DECREF(obj);

}

free_tuple(tuple, items);

}

START_TEST(test_PyTuple_GetItemRef)

{

check_PyTuple_GetItem(STRONG);

}

END_TEST

#ifndef Py_NEWCAPI

START_TEST(test_PyTuple_GetItem)

{

check_PyTuple_GetItem(BORROW);

}

END_TEST

START_TEST(test_PyTuple_GET_ITEM)

{

check_PyTuple_GetItem(MACRO);

}

END_TEST

#endif /* !Py_NEWCAPI */

START_TEST(test_PyTuple_Pack)

{

const size_t size = 3;

PyObject* items[size];

for (size_t i = 0; i < size; i++) {

items[i] = PyLong_FromLong(i);

ck_assert_ptr_nonnull(items[i]);

}

PyObject *tuple = PyTuple_Pack(size, items[0], items[1], items[2]);

ck_assert_int_eq(PyTuple_Size(tuple), size);

for (size_t i = 0; i < size; i++) {

PyObject *item = PyTuple_GetItemRef(tuple, i);

ck_assert_ptr_eq(item, items[i]);

Py_DECREF(item);

}

Py_DECREF(tuple);

for (size_t i = 0; i < size; i++) {

Py_DECREF(items[i]);

}

END_TEST

static void

check_PyTuple_SetItemRef(func_type ftype)

{

const size_t size = SMALL_SIZE;

PyObject *tuple = PyTuple_New(size);

ck_assert_ptr_nonnull(tuple);

for (size_t i = 0; i < size; i++) {

PyObject *obj = PyLong_FromLong(i);

ck_assert_ptr_nonnull(obj);

Py_ssize_t refcnt = Py_REFCNT(obj);

switch (ftype)

{

case STRONG:

{

int res = PyTuple_SetItemRef(tuple, i, obj);

ck_assert_int_eq(res, 0);

ck_assert_int_eq(Py_REFCNT(obj), refcnt + 1);

break;

}

#ifndef Py_NEWCAPI

case BORROW:

{

int res = PyTuple_SetItem(tuple, i, obj);

ck_assert_int_eq(res, 0);

ck_assert_int_eq(Py_REFCNT(obj), refcnt);

Py_INCREF(obj);

break;

}

case MACRO:

{

PyTuple_SET_ITEM(tuple, i, obj);

ck_assert_int_eq(Py_REFCNT(obj), refcnt);

Py_INCREF(obj);

break;

}

#endif

}

PyObject *obj2 = PyTuple_GetItemRef(tuple, i);

ck_assert_ptr_eq(obj, obj2);

Py_DECREF(obj);

Py_DECREF(obj2);

}

Py_DECREF(tuple);

/* Tuple items set explicitly to NULL */

tuple = PyTuple_New(size);

ck_assert_ptr_nonnull(tuple);

for (size_t i = 0; i < size; i++) {

switch (ftype)

{

case STRONG:

{

int res = PyTuple_SetItemRef(tuple, i, NULL);

ck_assert_int_eq(res, 0);

break;

}

#ifndef Py_NEWCAPI

case BORROW:

{

int res = PyTuple_SetItem(tuple, i, NULL);

ck_assert_int_eq(res, 0);

break;

}

case MACRO:

{

PyTuple_SET_ITEM(tuple, i, NULL);

break;

}

#endif

}

PyObject *item = PyTuple_GetItemRef(tuple, i);

ck_assert_ptr_null(item);

}

Py_DECREF(tuple);

}

START_TEST(test_PyTuple_SetItemRef)

{

check_PyTuple_SetItemRef(STRONG);

}

END_TEST

#ifndef Py_NEWCAPI

START_TEST(test_PyTuple_SetItem)

{

check_PyTuple_SetItemRef(BORROW);

}

END_TEST

START_TEST(test_PyTuple_SET_ITEM)

{

check_PyTuple_SetItemRef(MACRO);

}

END_TEST

#endif

void register_PyTuple(Suite *s)

{

TCase *tc_core = tcase_create("PyTuple");

tcase_add_test(tc_core, test_PyTuple_New);

tcase_add_test(tc_core, test_PyTuple_CheckExact);

tcase_add_test(tc_core, test_PyTuple_Size);

tcase_add_test(tc_core, test_PyTuple_GET_SIZE);

tcase_add_test(tc_core, test_PyTuple_GetItemRef);

#ifndef Py_NEWCAPI

tcase_add_test(tc_core, test_PyTuple_GetItem);

tcase_add_test(tc_core, test_PyTuple_GET_ITEM);

#endif

tcase_add_test(tc_core, test_PyTuple_SetItemRef);

#ifndef Py_NEWCAPI

tcase_add_test(tc_core, test_PyTuple_SetItem);

tcase_add_test(tc_core, test_PyTuple_SET_ITEM);

#endif

tcase_add_test(tc_core, test_PyTuple_Pack);

suite_add_tcase(s, tc_core);

}

cpython/capi_tests/test_tuple.c at pythoncapi · pythoncapi/cpython · GitHub

Uh oh!

Expand file tree

Breadcrumbs

test_tuple.c

Latest commit

History

Breadcrumbs

test_tuple.c

File metadata and controls