From 7d692d64f3997b816607c282b09fecae14212fe6 Mon Sep 17 00:00:00 2001
From: Pascal Getreuer <50221757+getreuer@users.noreply.github.com>
Date: Tue, 14 Feb 2023 12:44:42 -0800
Subject: Fix Layer Mod handling of with right-handed mods. (#19845)

---
 tests/basic/test_action_layer.cpp | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

(limited to 'tests')

diff --git a/tests/basic/test_action_layer.cpp b/tests/basic/test_action_layer.cpp
index 883d99b404..b7ecfa52ef 100644
--- a/tests/basic/test_action_layer.cpp
+++ b/tests/basic/test_action_layer.cpp
@@ -19,6 +19,7 @@
 #include "test_common.hpp"
 
 using testing::_;
+using testing::AnyNumber;
 using testing::InSequence;
 
 class ActionLayer : public TestFixture {};
@@ -399,3 +400,65 @@ TEST_F(ActionLayer, LayerTapReleasedBeforeKeypressReleaseWithModifiers) {
     EXPECT_TRUE(layer_state_is(0));
     VERIFY_AND_CLEAR(driver);
 }
+
+TEST_F(ActionLayer, LayerModWithKeypress) {
+    TestDriver driver;
+    KeymapKey  layer_key   = KeymapKey{0, 0, 0, LM(1, MOD_RALT)};
+    KeymapKey  regular_key = KeymapKey{0, 1, 0, KC_A};
+    set_keymap({layer_key, regular_key, KeymapKey{1, 1, 0, KC_B}});
+
+    // Allow any number of reports with no keys or only KC_RALT.
+    // clang-format off
+    EXPECT_CALL(driver, send_keyboard_mock(AnyOf(
+                KeyboardReport(),
+                KeyboardReport(KC_RALT))))
+        .Times(AnyNumber());
+    // clang-format on
+    EXPECT_REPORT(driver, (KC_RALT, KC_B)).Times(1);
+
+    layer_key.press();
+    run_one_scan_loop();
+    EXPECT_TRUE(layer_state_is(1));
+    EXPECT_EQ(get_mods(), MOD_BIT(KC_RALT));
+
+    tap_key(regular_key);
+
+    layer_key.release();
+    run_one_scan_loop();
+    EXPECT_TRUE(layer_state_is(0));
+    EXPECT_EQ(get_mods(), 0);
+
+    VERIFY_AND_CLEAR(driver);
+}
+
+TEST_F(ActionLayer, LayerModHonorsModConfig) {
+    TestDriver driver;
+    KeymapKey  layer_key   = KeymapKey{0, 0, 0, LM(1, MOD_RALT)};
+    KeymapKey  regular_key = KeymapKey{0, 1, 0, KC_A};
+    set_keymap({layer_key, regular_key, KeymapKey{1, 1, 0, KC_B}});
+
+    // Allow any number of reports with no keys or only KC_RALT.
+    // clang-format off
+    EXPECT_CALL(driver, send_keyboard_mock(AnyOf(
+                KeyboardReport(),
+                KeyboardReport(KC_RGUI))))
+        .Times(AnyNumber());
+    // clang-format on
+    EXPECT_REPORT(driver, (KC_RGUI, KC_B)).Times(1);
+
+    keymap_config.swap_ralt_rgui = true;
+
+    layer_key.press();
+    run_one_scan_loop();
+    EXPECT_TRUE(layer_state_is(1));
+    EXPECT_EQ(get_mods(), MOD_BIT(KC_RGUI));
+
+    tap_key(regular_key);
+
+    layer_key.release();
+    run_one_scan_loop();
+    EXPECT_TRUE(layer_state_is(0));
+    EXPECT_EQ(get_mods(), 0);
+
+    VERIFY_AND_CLEAR(driver);
+}
-- 
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