Tests: Add test for bad foreach inside a function

Add test for a case fixed by commit 6a4a61d9e1 (cmForEachCommand:
prevent leakage, 2017-10-09).  Prior to that fix, this test case
could trigger an assertion failure.

Fixes: #17464

5 files changed, 17 insertions, 0 deletions

diff --git a/Tests/RunCMake/foreach/BadRangeInFunction-result.txt b/Tests/RunCMake/foreach/BadRangeInFunction-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/foreach/BadRangeInFunction-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/foreach/BadRangeInFunction-stderr.txt b/Tests/RunCMake/foreach/BadRangeInFunction-stderr.txt
new file mode 100644
index 0000000..e16a0f1
--- /dev/null
+++ b/Tests/RunCMake/foreach/BadRangeInFunction-stderr.txt
@@ -0,0 +1,5 @@
+^CMake Error at BadRangeInFunction.cmake:2 \(foreach\):
+  foreach called with incorrect range specification: start 2, stop 1, step 1
+Call Stack \(most recent call first\):
+  BadRangeInFunction.cmake:5 \(func\)
+  CMakeLists.txt:3 \(include\)$
diff --git a/Tests/RunCMake/foreach/BadRangeInFunction.cmake b/Tests/RunCMake/foreach/BadRangeInFunction.cmake
new file mode 100644
index 0000000..f51cbbf
--- /dev/null
+++ b/Tests/RunCMake/foreach/BadRangeInFunction.cmake
@@ -0,0 +1,5 @@
+function(func)
+  foreach(bad_range RANGE 2 1 1)
+  endforeach()
+endfunction()
+func()
diff --git a/Tests/RunCMake/foreach/CMakeLists.txt b/Tests/RunCMake/foreach/CMakeLists.txt
new file mode 100644
index 0000000..bf2ef15
--- /dev/null
+++ b/Tests/RunCMake/foreach/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.10)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/foreach/RunCMakeTest.cmake b/Tests/RunCMake/foreach/RunCMakeTest.cmake
new file mode 100644
index 0000000..4b74cfe
--- /dev/null
+++ b/Tests/RunCMake/foreach/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(BadRangeInFunction)