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Fri, 06 Sep 2024 06:12:25 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Mark Cave-Ayland , Octavian Purdila , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/3] tests/unit: Strengthen FIFO8 tests Date: Fri, 6 Sep 2024 15:12:15 +0200 Message-ID: <20240906131217.78159-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906131217.78159-1-philmd@linaro.org> References: <20240906131217.78159-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::62e; envelope-from=philmd@linaro.org; helo=mail-ej1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1725628423058116600 Replace reused bytes { 0x1, 0x2, 0x3, 0x4 } by { 0x9, 0xa, 0xb, 0xc } to be sure a different value is overwritten. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- tests/unit/test-fifo.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/tests/unit/test-fifo.c b/tests/unit/test-fifo.c index 1e54cde871..60436a7600 100644 --- a/tests/unit/test-fifo.c +++ b/tests/unit/test-fifo.c @@ -22,7 +22,7 @@ static void test_fifo8_pop_bufptr_wrap(void) { Fifo8 fifo; uint8_t data_in1[] =3D { 0x1, 0x2, 0x3, 0x4 }; - uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x1, 0x2 }; + uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x9, 0xa }; const uint8_t *buf; uint32_t count; =20 @@ -112,7 +112,7 @@ static void test_fifo8_pop_buf_wrap(void) { Fifo8 fifo; uint8_t data_in1[] =3D { 0x1, 0x2, 0x3, 0x4 }; - uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x1, 0x2, 0x3, 0x4 }; + uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc }; uint8_t data_out[4]; int count; =20 @@ -126,8 +126,8 @@ static void test_fifo8_pop_buf_wrap(void) g_assert(count =3D=3D 4); count =3D fifo8_pop_buf(&fifo, data_out, 4); g_assert(count =3D=3D 4); - g_assert(data_out[0] =3D=3D 0x1 && data_out[1] =3D=3D 0x2 && - data_out[2] =3D=3D 0x3 && data_out[3] =3D=3D 0x4); + g_assert(data_out[0] =3D=3D 0x9 && data_out[1] =3D=3D 0xa && + data_out[2] =3D=3D 0xb && data_out[3] =3D=3D 0xc); =20 g_assert(fifo8_num_used(&fifo) =3D=3D 0); fifo8_destroy(&fifo); @@ -157,8 +157,8 @@ static void test_fifo8_peek_buf_wrap(void) { Fifo8 fifo; uint8_t data_in1[] =3D { 0x1, 0x2, 0x3, 0x4 }; - uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x1, 0x2, 0x3, 0x4 }; - uint8_t data_out[4]; + uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc }; + uint8_t data_out[8]; int count; =20 fifo8_create(&fifo, 8); --=20 2.45.2 From nobody Sun Nov 24 06:10:58 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=philmd@linaro.org; helo=mail-ej1-x62d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1725628417108116600 Test fifo8_peek_buf() can fill a buffer with wrapped data. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- tests/unit/test-fifo.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tests/unit/test-fifo.c b/tests/unit/test-fifo.c index 60436a7600..4706bf8708 100644 --- a/tests/unit/test-fifo.c +++ b/tests/unit/test-fifo.c @@ -174,6 +174,13 @@ static void test_fifo8_peek_buf_wrap(void) g_assert(data_out[0] =3D=3D 0x5 && data_out[1] =3D=3D 0x6 && data_out[2] =3D=3D 0x7 && data_out[3] =3D=3D 0x8); =20 + count =3D fifo8_peek_buf(&fifo, data_out, 8); + g_assert(count =3D=3D 8); + g_assert(data_out[0] =3D=3D 0x5 && data_out[1] =3D=3D 0x6 && + data_out[2] =3D=3D 0x7 && data_out[3] =3D=3D 0x8); + g_assert(data_out[4] =3D=3D 0x9 && data_out[5] =3D=3D 0xa && + data_out[6] =3D=3D 0xb && data_out[7] =3D=3D 0xc); + g_assert(fifo8_num_used(&fifo) =3D=3D 8); fifo8_destroy(&fifo); } --=20 2.45.2 From nobody Sun Nov 24 06:10:58 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- tests/unit/test-fifo.c | 190 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 188 insertions(+), 2 deletions(-) diff --git a/tests/unit/test-fifo.c b/tests/unit/test-fifo.c index 4706bf8708..14153c41fa 100644 --- a/tests/unit/test-fifo.c +++ b/tests/unit/test-fifo.c @@ -27,14 +27,36 @@ static void test_fifo8_pop_bufptr_wrap(void) uint32_t count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: [ . . . . . . . . ] + */ =20 fifo8_push_all(&fifo, data_in1, sizeof(data_in1)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: [ 1 2 3 4 . . . . ] + */ buf =3D fifo8_pop_bufptr(&fifo, 2, &count); + /* + * head --v ]-- tail used =3D 2 + * FIFO: [ 1 2 3 4 . . . . ] + * buf --^ count =3D 2 + */ g_assert(count =3D=3D 2); g_assert(buf[0] =3D=3D 0x1 && buf[1] =3D=3D 0x2); =20 fifo8_push_all(&fifo, data_in2, sizeof(data_in2)); + /* + * tail --]v-- head used =3D 8 + * FIFO: [ 9 a 3 4 5 6 7 8 ] + */ buf =3D fifo8_pop_bufptr(&fifo, 8, &count); + /* + * head --v ]-- tail used =3D 2 + * FIFO: [ 9 a 3 4 5 6 7 8 ] + * buf --^ count =3D 6 + */ g_assert(count =3D=3D 6); g_assert(buf[0] =3D=3D 0x3 && buf[1] =3D=3D 0x4 && buf[2] =3D=3D 0x5 && buf[3] =3D=3D 0x6 && buf[4] =3D=3D 0x7 && buf[5] =3D=3D 0x8); @@ -51,9 +73,22 @@ static void test_fifo8_pop_bufptr(void) uint32_t count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: [ . . . . . . . . ] + */ =20 fifo8_push_all(&fifo, data_in, sizeof(data_in)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: [ 1 2 3 4 . . . . ] + */ buf =3D fifo8_pop_bufptr(&fifo, 2, &count); + /* + * head --v ]-- tail used =3D 2 + * FIFO: [ 1 2 3 4 . . . . ] + * buf --^ count =3D 2 + */ g_assert(count =3D=3D 2); g_assert(buf[0] =3D=3D 0x1 && buf[1] =3D=3D 0x2); =20 @@ -65,23 +100,50 @@ static void test_fifo8_peek_bufptr_wrap(void) { Fifo8 fifo; uint8_t data_in1[] =3D { 0x1, 0x2, 0x3, 0x4 }; - uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x1, 0x2 }; + uint8_t data_in2[] =3D { 0x5, 0x6, 0x7, 0x8, 0x9, 0xa }; const uint8_t *buf; uint32_t count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in1, sizeof(data_in1)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ buf =3D fifo8_peek_bufptr(&fifo, 2, &count); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + * buf: [ 1 2 ] count =3D 2 + */ g_assert(count =3D=3D 2); g_assert(buf[0] =3D=3D 0x1 && buf[1] =3D=3D 0x2); =20 buf =3D fifo8_pop_bufptr(&fifo, 2, &count); + /* + * head --v ]-- tail used =3D 2 + * FIFO: { 1 2 3 4 . . . . } + * buf: [ 1 2 ] count =3D 2 + */ g_assert(count =3D=3D 2); g_assert(buf[0] =3D=3D 0x1 && buf[1] =3D=3D 0x2); fifo8_push_all(&fifo, data_in2, sizeof(data_in2)); + /* + * tail ---]v-- head used =3D 8 + * FIFO: { 9 a 3 4 5 6 7 8 } + */ =20 buf =3D fifo8_peek_bufptr(&fifo, 8, &count); + /* + * tail --]v-- head used =3D 8 + * FIFO: { 9 a 3 4 5 6 7 8 } + * buf: [ 3 4 5 6 7 8 ] count =3D 6 + */ g_assert(count =3D=3D 6); g_assert(buf[0] =3D=3D 0x3 && buf[1] =3D=3D 0x4 && buf[2] =3D=3D 0x5 && buf[3] =3D=3D 0x6 && buf[4] =3D=3D 0x7 && buf[5] =3D=3D 0x8); @@ -98,9 +160,22 @@ static void test_fifo8_peek_bufptr(void) uint32_t count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in, sizeof(data_in)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ buf =3D fifo8_peek_bufptr(&fifo, 2, &count); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + * buf: [ 1 2 ] count =3D 2 + */ g_assert(count =3D=3D 2); g_assert(buf[0] =3D=3D 0x1 && buf[1] =3D=3D 0x2); =20 @@ -117,14 +192,38 @@ static void test_fifo8_pop_buf_wrap(void) int count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in1, sizeof(data_in1)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ fifo8_pop_buf(&fifo, NULL, 4); + /* + * tail --]v-- head used =3D 0 + * FIFO: [ 1 2 3 4 . . . . ] + */ =20 fifo8_push_all(&fifo, data_in2, sizeof(data_in2)); + /* + * tail --]v-- head used =3D 8 + * FIFO: { 9 a b c 5 6 7 8 } + */ count =3D fifo8_pop_buf(&fifo, NULL, 4); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 9 a b c 5 6 7 8 } + */ g_assert(count =3D=3D 4); count =3D fifo8_pop_buf(&fifo, data_out, 4); + /* + * tail --]v-- head used =3D 0 + * FIFO: { 9 a b c 5 6 7 8 } + */ g_assert(count =3D=3D 4); g_assert(data_out[0] =3D=3D 0x9 && data_out[1] =3D=3D 0xa && data_out[2] =3D=3D 0xb && data_out[3] =3D=3D 0xc); @@ -141,9 +240,21 @@ static void test_fifo8_pop_buf(void) int count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in, sizeof(data_in)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ count =3D fifo8_pop_buf(&fifo, NULL, 4); + /* + * tail --]v-- head used =3D 0 + * FIFO: { 1 2 3 4 . . . . } + */ g_assert(count =3D=3D 4); count =3D fifo8_pop_buf(&fifo, data_out, 4); g_assert(data_out[0] =3D=3D 0x5 && data_out[1] =3D=3D 0x6 && @@ -162,19 +273,45 @@ static void test_fifo8_peek_buf_wrap(void) int count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in1, sizeof(data_in1)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ fifo8_pop_buf(&fifo, NULL, 4); + /* + * tail --]v-- head used =3D 0 + * FIFO: { 1 2 3 4 . . . . } + */ =20 fifo8_push_all(&fifo, data_in2, sizeof(data_in2)); + /* + * tail --]v-- head used =3D 8 + * FIFO: { 9 a b c 5 6 7 8 } + */ count =3D fifo8_peek_buf(&fifo, NULL, 4); g_assert(count =3D=3D 4); count =3D fifo8_peek_buf(&fifo, data_out, 4); + /* + * tail --]v-- head used =3D 8 + * FIFO: { 9 a b c 5 6 7 8 } + * buf: [ 5 6 7 8 ] count =3D 4 + */ g_assert(count =3D=3D 4); g_assert(data_out[0] =3D=3D 0x5 && data_out[1] =3D=3D 0x6 && data_out[2] =3D=3D 0x7 && data_out[3] =3D=3D 0x8); =20 count =3D fifo8_peek_buf(&fifo, data_out, 8); + /* + * tail --]v-- head used =3D 8 + * FIFO: { 9 a b c 5 6 7 8 } + * buf: [ 5 6 7 8 9 a b c ] count =3D 8 + */ g_assert(count =3D=3D 8); g_assert(data_out[0] =3D=3D 0x5 && data_out[1] =3D=3D 0x6 && data_out[2] =3D=3D 0x7 && data_out[3] =3D=3D 0x8); @@ -193,14 +330,27 @@ static void test_fifo8_peek_buf(void) int count; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ =20 fifo8_push_all(&fifo, data_in, sizeof(data_in)); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + */ count =3D fifo8_peek_buf(&fifo, NULL, 4); g_assert(count =3D=3D 4); + g_assert(data_out[0] =3D=3D 0xff && data_out[1] =3D=3D 0xff && data_out[2] =3D=3D 0xff && data_out[3] =3D=3D 0xff); - count =3D fifo8_peek_buf(&fifo, data_out, 4); + /* + * head --v ]-- tail used =3D 4 + * FIFO: { 1 2 3 4 . . . . } + * buf: [ 1 2 3 4 ] count =3D 4 + */ g_assert(count =3D=3D 4); g_assert(data_out[0] =3D=3D 0x1 && data_out[1] =3D=3D 0x2 && data_out[2] =3D=3D 0x3 && data_out[3] =3D=3D 0x4); @@ -215,12 +365,28 @@ static void test_fifo8_peek(void) uint8_t c; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ fifo8_push(&fifo, 0x1); + /* + * head --v]-- tail used =3D 1 + * FIFO: { 1 . . . . . . . } + */ fifo8_push(&fifo, 0x2); + /* + * head --v ]-- tail used =3D 2 + * FIFO: { 1 2 . . . . . . } + */ =20 c =3D fifo8_peek(&fifo); g_assert(c =3D=3D 0x1); fifo8_pop(&fifo); + /* + * head --v]-- tail used =3D 1 + * FIFO: { 1 2 . . . . . . } + */ c =3D fifo8_peek(&fifo); g_assert(c =3D=3D 0x2); =20 @@ -234,12 +400,32 @@ static void test_fifo8_pushpop(void) uint8_t c; =20 fifo8_create(&fifo, 8); + /* + * head --v-- tail used =3D 0 + * FIFO: { . . . . . . . . } + */ fifo8_push(&fifo, 0x1); + /* + * head --v]-- tail used =3D 1 + * FIFO: { 1 . . . . . . . } + */ fifo8_push(&fifo, 0x2); + /* + * head --v ]-- tail used =3D 2 + * FIFO: { 1 2 . . . . . . } + */ =20 c =3D fifo8_pop(&fifo); + /* + * head --v]-- tail used =3D 1 + * FIFO: { 1 2 . . . . . . } + */ g_assert(c =3D=3D 0x1); c =3D fifo8_pop(&fifo); + /* + * tail --]v-- head used =3D 0 + * FIFO: { 1 2 . . . . . . } + */ g_assert(c =3D=3D 0x2); =20 g_assert(fifo8_num_used(&fifo) =3D=3D 0); --=20 2.45.2