1 files changed, 57 insertions, 0 deletions
diff --git a/tests/combo/test_combo.cpp b/tests/combo/test_combo.cpp
new file mode 100644
index 0000000000..ac852f9d16
--- /dev/null
+++ b/tests/combo/test_combo.cpp
@@ -0,0 +1,57 @@
+// Copyright 2023 Stefan Kerkmann (@KarlK90)
+// Copyright 2023 @filterpaper
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "keyboard_report_util.hpp"
+#include "quantum.h"
+#include "keycode.h"
+#include "test_common.h"
+#include "test_driver.hpp"
+#include "test_fixture.hpp"
+#include "test_keymap_key.hpp"
+
+using testing::_;
+using testing::InSequence;
+
+class Combo : public TestFixture {};
+
+TEST_F(Combo, combo_modtest_tapped) {
+    TestDriver driver;
+    KeymapKey  key_y(0, 0, 1, KC_Y);
+    KeymapKey  key_u(0, 0, 2, KC_U);
+    set_keymap({key_y, key_u});
+
+    EXPECT_REPORT(driver, (KC_SPACE));
+    EXPECT_EMPTY_REPORT(driver);
+    tap_combo({key_y, key_u});
+    VERIFY_AND_CLEAR(driver);
+}
+
+TEST_F(Combo, combo_modtest_held_longer_than_tapping_term) {
+    TestDriver driver;
+    KeymapKey  key_y(0, 0, 1, KC_Y);
+    KeymapKey  key_u(0, 0, 2, KC_U);
+    set_keymap({key_y, key_u});
+
+    EXPECT_REPORT(driver, (KC_RIGHT_SHIFT));
+    EXPECT_EMPTY_REPORT(driver);
+    tap_combo({key_y, key_u}, TAPPING_TERM + 1);
+    VERIFY_AND_CLEAR(driver);
+}
+
+TEST_F(Combo, combo_osmshift_tapped) {
+    TestDriver driver;
+    KeymapKey  key_z(0, 0, 1, KC_Z);
+    KeymapKey  key_x(0, 0, 2, KC_X);
+    KeymapKey  key_i(0, 0, 3, KC_I);
+    set_keymap({key_z, key_x, key_i});
+
+    EXPECT_NO_REPORT(driver);
+    tap_combo({key_z, key_x});
+    VERIFY_AND_CLEAR(driver);
+
+    EXPECT_REPORT(driver, (KC_I, KC_LEFT_SHIFT));
+    EXPECT_EMPTY_REPORT(driver);
+    tap_key(key_i);
+    VERIFY_AND_CLEAR(driver);
+}