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-rw-r--r--scripts/kconfig/tests/err_recursive_dep/Kconfig63
-rw-r--r--scripts/kconfig/tests/err_recursive_dep/__init__.py10
-rw-r--r--scripts/kconfig/tests/err_recursive_dep/expected_stderr38
3 files changed, 111 insertions, 0 deletions
diff --git a/scripts/kconfig/tests/err_recursive_dep/Kconfig b/scripts/kconfig/tests/err_recursive_dep/Kconfig
new file mode 100644
index 0000000000..ebdb3ffd87
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_dep/Kconfig
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# depends on itself
+
+config A
+ bool "A"
+ depends on A
+
+# select itself
+
+config B
+ bool
+ select B
+
+# depends on each other
+
+config C1
+ bool "C1"
+ depends on C2
+
+config C2
+ bool "C2"
+ depends on C1
+
+# depends on and select
+
+config D1
+ bool "D1"
+ depends on D2
+ select D2
+
+config D2
+ bool
+
+# depends on and imply
+
+config E1
+ bool "E1"
+ depends on E2
+ imply E2
+
+config E2
+ bool "E2"
+
+# property
+
+config F1
+ bool "F1"
+ default F2
+
+config F2
+ bool "F2"
+ depends on F1
+
+# menu
+
+menu "menu depending on its content"
+ depends on G
+
+config G
+ bool "G"
+
+endmenu
diff --git a/scripts/kconfig/tests/err_recursive_dep/__init__.py b/scripts/kconfig/tests/err_recursive_dep/__init__.py
new file mode 100644
index 0000000000..5f3821b43c
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_dep/__init__.py
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+"""
+Detect recursive dependency error.
+
+Recursive dependency should be treated as an error.
+"""
+
+def test(conf):
+ assert conf.oldaskconfig() == 1
+ assert conf.stderr_contains('expected_stderr')
diff --git a/scripts/kconfig/tests/err_recursive_dep/expected_stderr b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
new file mode 100644
index 0000000000..c9f4abf9a7
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
@@ -0,0 +1,38 @@
+Kconfig:11:error: recursive dependency detected!
+Kconfig:11: symbol B is selected by B
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:5:error: recursive dependency detected!
+Kconfig:5: symbol A depends on A
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:17:error: recursive dependency detected!
+Kconfig:17: symbol C1 depends on C2
+Kconfig:21: symbol C2 depends on C1
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:32:error: recursive dependency detected!
+Kconfig:32: symbol D2 is selected by D1
+Kconfig:27: symbol D1 depends on D2
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:37:error: recursive dependency detected!
+Kconfig:37: symbol E1 depends on E2
+Kconfig:42: symbol E2 is implied by E1
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:60:error: recursive dependency detected!
+Kconfig:60: symbol G depends on G
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:51:error: recursive dependency detected!
+Kconfig:51: symbol F2 depends on F1
+Kconfig:49: symbol F1 default value contains F2
+For a resolution refer to Documentation/kbuild/kconfig-language.rst
+subsection "Kconfig recursive dependency limitations"