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Blame SOURCES/kvm-i440fx-test-give-each-GTest-case-its-own-qtest.patch

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From f57ff93bf55cfdf09995c441cbbf8ad886f1afcb Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Sat, 11 Jan 2014 18:00:05 +0100
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Subject: [PATCH 15/22] i440fx-test: give each GTest case its own qtest
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RH-Author: Laszlo Ersek <lersek@redhat.com>
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Message-id: <1389463208-6278-16-git-send-email-lersek@redhat.com>
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Patchwork-id: 56628
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O-Subject: [RHEL-7.0 qemu-kvm PATCH 15/18] i440fx-test: give each GTest case its own qtest
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Bugzilla: 1032346
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Amos Kong <akong@redhat.com>
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RH-Acked-by: Andrew Jones <drjones@redhat.com>
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The current two GTest cases, /i440fx/defaults and /i440fx/pam can share a
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qemu process, but the next two cases will need dedicated instances. It is
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messy (and order-dependent) to dynamically configure GTest cases one by
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one to start, stop, or keep the current qtest (*); let's just have each
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GTest work with its own qtest. The performance difference should be
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negligible.
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(*) As g_test_run() can be invoked at most once per process startup, and
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it runs GTest cases in sequence, we'd need clumsy data structures to
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control each GTest case to start/stop/keep the qemu instance. Or, we'd
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have to code the same information into the test methods themselves, which
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would make them even more order-dependent.
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit c37805b6724e5d4c3ad41653630b72b43619474e)
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---
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 tests/i440fx-test.c | 32 +++++++++++++++++++-------------
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 1 file changed, 19 insertions(+), 13 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 tests/i440fx-test.c |   32 +++++++++++++++++++-------------
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 1 files changed, 19 insertions(+), 13 deletions(-)
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diff --git a/tests/i440fx-test.c b/tests/i440fx-test.c
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index 6ac46bf..3962bca 100644
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--- a/tests/i440fx-test.c
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+++ b/tests/i440fx-test.c
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@@ -28,16 +28,27 @@
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 typedef struct TestData
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 {
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     int num_cpus;
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-    QPCIBus *bus;
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 } TestData;
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+static QPCIBus *test_start_get_bus(const TestData *s)
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+{
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+    char *cmdline;
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+
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+    cmdline = g_strdup_printf("-smp %d", s->num_cpus);
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+    qtest_start(cmdline);
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+    g_free(cmdline);
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+    return qpci_init_pc();
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+}
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+
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 static void test_i440fx_defaults(gconstpointer opaque)
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 {
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     const TestData *s = opaque;
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+    QPCIBus *bus;
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     QPCIDevice *dev;
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     uint32_t value;
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-    dev = qpci_device_find(s->bus, QPCI_DEVFN(0, 0));
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+    bus = test_start_get_bus(s);
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+    dev = qpci_device_find(bus, QPCI_DEVFN(0, 0));
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     g_assert(dev != NULL);
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     /* 3.2.2 */
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@@ -121,6 +132,8 @@ static void test_i440fx_defaults(gconstpointer opaque)
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     g_assert_cmpint(qpci_config_readb(dev, 0x91), ==, 0x00); /* ERRSTS */
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     /* 3.2.26 */
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     g_assert_cmpint(qpci_config_readb(dev, 0x93), ==, 0x00); /* TRC */
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+
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+    qtest_end();
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 }
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 #define PAM_RE 1
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@@ -179,6 +192,7 @@ static void write_area(uint32_t start, uint32_t end, uint8_t value)
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 static void test_i440fx_pam(gconstpointer opaque)
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 {
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     const TestData *s = opaque;
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+    QPCIBus *bus;
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     QPCIDevice *dev;
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     int i;
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     static struct {
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@@ -201,7 +215,8 @@ static void test_i440fx_pam(gconstpointer opaque)
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         { 0xEC000, 0xEFFFF }, /* BIOS Extension */
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     };
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-    dev = qpci_device_find(s->bus, QPCI_DEVFN(0, 0));
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+    bus = test_start_get_bus(s);
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+    dev = qpci_device_find(bus, QPCI_DEVFN(0, 0));
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     g_assert(dev != NULL);
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     for (i = 0; i < ARRAY_SIZE(pam_area); i++) {
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@@ -254,30 +269,21 @@ static void test_i440fx_pam(gconstpointer opaque)
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         /* Verify the area is not our new mask */
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         g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x82));
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     }
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+    qtest_end();
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 }
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 int main(int argc, char **argv)
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 {
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     TestData data;
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-    char *cmdline;
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     int ret;
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     g_test_init(&argc, &argv, NULL);
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     data.num_cpus = 1;
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-    cmdline = g_strdup_printf("-smp %d", data.num_cpus);
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-    qtest_start(cmdline);
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-    g_free(cmdline);
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-
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-    data.bus = qpci_init_pc();
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-
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     g_test_add_data_func("/i440fx/defaults", &data, test_i440fx_defaults);
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     g_test_add_data_func("/i440fx/pam", &data, test_i440fx_pam);
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     ret = g_test_run();
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-
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-    qtest_end();
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-
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     return ret;
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 }
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-- 
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1.7.1
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