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-rw-r--r--scripts/kconfig/tests/warn_changed_input/Kconfig40
-rw-r--r--scripts/kconfig/tests/warn_changed_input/__init__.py33
-rw-r--r--scripts/kconfig/tests/warn_changed_input/config3
-rw-r--r--scripts/kconfig/tests/warn_changed_input/expected_config6
-rw-r--r--scripts/kconfig/tests/warn_changed_input/expected_defconfig1
-rw-r--r--scripts/kconfig/tests/warn_changed_input/expected_stderr4
6 files changed, 87 insertions, 0 deletions
diff --git a/scripts/kconfig/tests/warn_changed_input/Kconfig b/scripts/kconfig/tests/warn_changed_input/Kconfig
new file mode 100644
index 000000000000..69845e2f3fb3
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/Kconfig
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config DEP
+ bool "DEP"
+ help
+ Test dependency symbol for Kconfig warning coverage.
+ This is used by the warn_changed_input selftest.
+ It intentionally stays unset in the input fragment.
+ The test checks how dependent user input is adjusted.
+
+config A
+ bool "A"
+ depends on DEP
+ help
+ Test bool symbol for changed-input diagnostics.
+ The input fragment requests this symbol as built-in.
+ The unmet dependency on DEP forces the final value to n.
+ The warning should report that downgrade.
+
+config NUM
+ int "NUM"
+ range 10 20
+ help
+ Test integer symbol for changed-input diagnostics.
+ The input fragment requests a value outside the allowed range.
+ Kconfig resolves it to the constrained in-range value.
+ The warning should report that adjustment.
+
+config DUP
+ bool "DUP"
+ depends on DEP
+ help
+ Test duplicate-definition handling for changed-input diagnostics.
+ The input fragment requests this symbol as built-in.
+ The duplicate definition below must not produce a duplicate warning.
+ This keeps the warning output stable for repeated menu entries.
+
+config DUP
+ bool
+ depends on DEP
diff --git a/scripts/kconfig/tests/warn_changed_input/__init__.py b/scripts/kconfig/tests/warn_changed_input/__init__.py
new file mode 100644
index 000000000000..4c3bca6af846
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/__init__.py
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0
+"""
+Test optional warnings for user-provided values changed by Kconfig.
+
+Warnings should stay disabled by default, and should only appear when
+KCONFIG_WARN_CHANGED_INPUT is enabled.
+"""
+
+
+def test(conf):
+ assert conf.olddefconfig('config') == 0
+ assert 'user-provided values changed by Kconfig' not in conf.stderr
+
+ assert conf._run_conf('--olddefconfig', dot_config='config',
+ extra_env={
+ 'KCONFIG_WARN_CHANGED_INPUT': '1',
+ }) == 0
+ assert conf.stderr_contains('expected_stderr')
+ assert conf.config_matches('expected_config')
+
+ assert conf._run_conf('--olddefconfig', dot_config='config',
+ extra_env={
+ 'KCONFIG_WARN_CHANGED_INPUT': '1',
+ }, silent=True) == 0
+ assert conf.stderr_contains('expected_stderr')
+
+ assert conf._run_conf('--savedefconfig=defconfig', dot_config='config',
+ out_file='defconfig',
+ extra_env={
+ 'KCONFIG_WARN_CHANGED_INPUT': '1',
+ }) == 0
+ assert conf.stderr_contains('expected_stderr')
+ assert conf.config_matches('expected_defconfig')
diff --git a/scripts/kconfig/tests/warn_changed_input/config b/scripts/kconfig/tests/warn_changed_input/config
new file mode 100644
index 000000000000..dbe93ff26408
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/config
@@ -0,0 +1,3 @@
+CONFIG_A=y
+CONFIG_NUM=30
+CONFIG_DUP=y
diff --git a/scripts/kconfig/tests/warn_changed_input/expected_config b/scripts/kconfig/tests/warn_changed_input/expected_config
new file mode 100644
index 000000000000..fe8bbec66c53
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/expected_config
@@ -0,0 +1,6 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+# CONFIG_DEP is not set
+CONFIG_NUM=20
diff --git a/scripts/kconfig/tests/warn_changed_input/expected_defconfig b/scripts/kconfig/tests/warn_changed_input/expected_defconfig
new file mode 100644
index 000000000000..af9e34851d2a
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/expected_defconfig
@@ -0,0 +1 @@
+CONFIG_NUM=20
diff --git a/scripts/kconfig/tests/warn_changed_input/expected_stderr b/scripts/kconfig/tests/warn_changed_input/expected_stderr
new file mode 100644
index 000000000000..9ec8446b4ac2
--- /dev/null
+++ b/scripts/kconfig/tests/warn_changed_input/expected_stderr
@@ -0,0 +1,4 @@
+warning: user-provided values changed by Kconfig:
+ CONFIG_A: y -> n
+ CONFIG_NUM: 30 -> 20
+ CONFIG_DUP: y -> n