From 12381d57d1c9256bb1f5206a403c1272bf2af34e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 18 Oct 2017 23:24:36 +0800
Subject: [PATCH] monitor-unit-tests: Check non-first preferred modes

Check that if there are multiple modes with the same ID (resolution,
refresh rate and handled flags) we correctly add the preferred mode to
the list of monitor modes.

https://bugzilla.gnome.org/show_bug.cgi?id=789153
---
 src/backends/meta-monitor.c    |  2 -
 src/backends/meta-monitor.h    |  2 +
 src/tests/monitor-unit-tests.c | 99 +++++++++++++++++++++++++++++++++-
 3 files changed, 100 insertions(+), 3 deletions(-)

diff --git a/src/backends/meta-monitor.c b/src/backends/meta-monitor.c
index ec6c5a0ab..174ade36e 100644
--- a/src/backends/meta-monitor.c
+++ b/src/backends/meta-monitor.c
@@ -37,8 +37,6 @@
 #define MINIMUM_LOGICAL_HEIGHT 600
 #define MAXIMUM_REFRESH_RATE_DIFF 0.001
 
-#define HANDLED_CRTC_MODE_FLAGS (META_CRTC_MODE_FLAG_INTERLACE)
-
 typedef struct _MetaMonitorMode
 {
   char *id;
diff --git a/src/backends/meta-monitor.h b/src/backends/meta-monitor.h
index e11dfc2fc..faf4dd061 100644
--- a/src/backends/meta-monitor.h
+++ b/src/backends/meta-monitor.h
@@ -50,6 +50,8 @@ typedef struct _MetaMonitorCrtcMode
   MetaCrtcMode *crtc_mode;
 } MetaMonitorCrtcMode;
 
+#define HANDLED_CRTC_MODE_FLAGS (META_CRTC_MODE_FLAG_INTERLACE)
+
 typedef gboolean (* MetaMonitorModeFunc) (MetaMonitor         *monitor,
                                           MetaMonitorMode     *mode,
                                           MetaMonitorCrtcMode *monitor_crtc_mode,
diff --git a/src/tests/monitor-unit-tests.c b/src/tests/monitor-unit-tests.c
index afdfa22ed..d73d84c85 100644
--- a/src/tests/monitor-unit-tests.c
+++ b/src/tests/monitor-unit-tests.c
@@ -430,7 +430,7 @@ check_monitor_mode (MetaMonitor         *monitor,
       flags = meta_monitor_mode_get_flags (mode);
 
       g_assert_cmpfloat (refresh_rate, ==, crtc_mode->refresh_rate);
-      g_assert_cmpint (flags, ==, crtc_mode->flags);
+      g_assert_cmpint (flags, ==, (crtc_mode->flags & HANDLED_CRTC_MODE_FLAGS));
     }
 
   data->expect_crtc_mode_iter++;
@@ -2763,6 +2763,101 @@ meta_test_monitor_underscanning_config (void)
   check_monitor_configuration (&test_case);
 }
 
+static void
+meta_test_monitor_preferred_non_first_mode (void)
+{
+  MonitorTestCase test_case = {
+    .setup = {
+      .modes = {
+        {
+          .width = 800,
+          .height = 600,
+          .refresh_rate = 60.0,
+          .flags = META_CRTC_MODE_FLAG_NHSYNC,
+        },
+        {
+          .width = 800,
+          .height = 600,
+          .refresh_rate = 60.0,
+          .flags = META_CRTC_MODE_FLAG_PHSYNC,
+        },
+      },
+      .n_modes = 2,
+      .outputs = {
+        {
+          .crtc = -1,
+          .modes = { 0, 1 },
+          .n_modes = 2,
+          .preferred_mode = 1,
+          .possible_crtcs = { 0 },
+          .n_possible_crtcs = 1,
+          .width_mm = 222,
+          .height_mm = 125
+        }
+      },
+      .n_outputs = 1,
+      .crtcs = {
+        {
+          .current_mode = -1
+        }
+      },
+      .n_crtcs = 1
+    },
+
+    .expect = {
+      .monitors = {
+        {
+          .outputs = { 0 },
+          .n_outputs = 1,
+          .modes = {
+            {
+              .width = 800,
+              .height = 600,
+              .refresh_rate = 60.0,
+              .crtc_modes = {
+                {
+                  .output = 0,
+                  .crtc_mode = 1
+                }
+              }
+            },
+          },
+          .n_modes = 1,
+          .current_mode = 0,
+          .width_mm = 222,
+          .height_mm = 125
+        }
+      },
+      .n_monitors = 1,
+      .logical_monitors = {
+        {
+          .monitors = { 0 },
+          .n_monitors = 1,
+          .layout = { .x = 0, .y = 0, .width = 800, .height = 600 },
+          .scale = 1
+        },
+      },
+      .n_logical_monitors = 1,
+      .primary_logical_monitor = 0,
+      .n_outputs = 1,
+      .crtcs = {
+        {
+          .current_mode = 1,
+        }
+      },
+      .n_crtcs = 1,
+      .screen_width = 800,
+      .screen_height = 600,
+    }
+  };
+  MetaMonitorTestSetup *test_setup;
+
+  test_setup = create_monitor_test_setup (&test_case,
+                                          MONITOR_TEST_FLAG_NO_STORED);
+  emulate_hotplug (test_setup);
+  check_monitor_configuration (&test_case);
+}
+
 static void
 meta_test_monitor_custom_vertical_config (void)
 {
@@ -5350,6 +5445,8 @@ init_monitor_tests (void)
                     meta_test_monitor_no_outputs);
   add_monitor_test ("/backends/monitor/underscanning-config",
                     meta_test_monitor_underscanning_config);
+  add_monitor_test ("/backends/monitor/preferred-non-first-mode",
+                    meta_test_monitor_preferred_non_first_mode);
 
   add_monitor_test ("/backends/monitor/custom/vertical-config",
                     meta_test_monitor_custom_vertical_config);