diff --git a/test/4-describe-data-1-list.sh b/test/4-describe-data-1-list.sh
index def3899..630b609 100755
--- a/test/4-describe-data-1-list.sh
+++ b/test/4-describe-data-1-list.sh
@@ -12,7 +12,8 @@
 
 trap cleanup EXIT
 
-if ! $DUB describe --compiler=$DC --data-list \
+if ! $DUB describe --compiler=$DC --filter-versions \
+     --data-list \
     '--data= target-type , target-path , target-name ' \
     '--data= working-directory ' \
     --data=main-source-file \
@@ -77,11 +78,8 @@
 echo >> "$expected_file"
 # --data=versions
 echo "someVerIdent" >> "$expected_file"
-echo "Have_describe_project" >> "$expected_file"
-echo "Have_describe_dependency_1" >> "$expected_file"
-echo "Have_describe_dependency_2" >> "$expected_file"
-echo "Have_describe_dependency_3" >> "$expected_file"
 echo "anotherVerIdent" >> "$expected_file"
+echo "Have_describe_dependency_3" >> "$expected_file"
 echo >> "$expected_file"
 # --data=debug-versions
 echo "someDebugVerIdent" >> "$expected_file"
diff --git a/test/4-describe-data-2-dmd.sh b/test/4-describe-data-2-dmd.sh
index 225537a..5120f1b 100755
--- a/test/4-describe-data-2-dmd.sh
+++ b/test/4-describe-data-2-dmd.sh
@@ -54,11 +54,8 @@
 echo -n "'$CURR_DIR/describe-dependency-1/source/dummy.d' " >> "$expected_file"
 # --data=versions
 echo -n "-version=someVerIdent " >> "$expected_file"
-echo -n "-version=Have_describe_project " >> "$expected_file"
-echo -n "-version=Have_describe_dependency_1 " >> "$expected_file"
-echo -n "-version=Have_describe_dependency_2 " >> "$expected_file"
-echo -n "-version=Have_describe_dependency_3 " >> "$expected_file"
 echo -n "-version=anotherVerIdent " >> "$expected_file"
+echo -n "-version=Have_describe_dependency_3 " >> "$expected_file"
 # --data=debug-versions
 echo -n "-debug=someDebugVerIdent " >> "$expected_file"
 echo -n "-debug=anotherDebugVerIdent " >> "$expected_file"
diff --git a/test/describe-dependency-1/source/dummy.d b/test/describe-dependency-1/source/dummy.d
index 8b13789..3c1514d 100644
--- a/test/describe-dependency-1/source/dummy.d
+++ b/test/describe-dependency-1/source/dummy.d
@@ -1 +1,2 @@
-
+version (anotherVerIdent) {}
+debug (anotherDebugVerIdent) {}
diff --git a/test/describe-project/src/dummy.d b/test/describe-project/src/dummy.d
index 8b13789..733017c 100644
--- a/test/describe-project/src/dummy.d
+++ b/test/describe-project/src/dummy.d
@@ -1 +1,3 @@
-
+version (Have_describe_dependency_3) {}
+version (someVerIdent) {}
+debug (someDebugVerIdent) {}
diff --git a/test/version-filters-diamond/.gitignore b/test/version-filters-diamond/.gitignore
new file mode 100644
index 0000000..c09a597
--- /dev/null
+++ b/test/version-filters-diamond/.gitignore
@@ -0,0 +1,15 @@
+.dub
+docs.json
+__dummy.html
+docs/
+issue1262-version-inheritance-diamond
+issue1262-version-inheritance-diamond.so
+issue1262-version-inheritance-diamond.dylib
+issue1262-version-inheritance-diamond.dll
+issue1262-version-inheritance-diamond.a
+issue1262-version-inheritance-diamond.lib
+issue1262-version-inheritance-diamond-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-diamond/.no_build b/test/version-filters-diamond/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-diamond/.no_build
diff --git a/test/version-filters-diamond/.no_run b/test/version-filters-diamond/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-diamond/.no_run
diff --git a/test/version-filters-diamond/.no_test b/test/version-filters-diamond/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-diamond/.no_test
diff --git a/test/version-filters-diamond/daughter/.gitignore b/test/version-filters-diamond/daughter/.gitignore
new file mode 100644
index 0000000..f190acb
--- /dev/null
+++ b/test/version-filters-diamond/daughter/.gitignore
@@ -0,0 +1,14 @@
+.dub
+docs.json
+__dummy.html
+docs/
+daughter.so
+daughter.dylib
+daughter.dll
+daughter.a
+daughter.lib
+daughter-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-diamond/daughter/dub.sdl b/test/version-filters-diamond/daughter/dub.sdl
new file mode 100644
index 0000000..9562cc5
--- /dev/null
+++ b/test/version-filters-diamond/daughter/dub.sdl
@@ -0,0 +1,6 @@
+name "daughter"
+versions "Daughter"
+debugVersions "dDaughter"
+x:versionFilters "Daughter" "Parent"
+x:debugVersionFilters "dDaughter" "dParent"
+dependency "diamond" path="../diamond"
diff --git a/test/version-filters-diamond/daughter/source/dummy.d b/test/version-filters-diamond/daughter/source/dummy.d
new file mode 100644
index 0000000..4006f06
--- /dev/null
+++ b/test/version-filters-diamond/daughter/source/dummy.d
@@ -0,0 +1,15 @@
+module daughter.dummy;
+
+version (Parent) {} else static assert(0, "Expected Parent to be set"); // via dependency
+version (Daughter) {} else static assert(0, "Expected Daughter to be set"); // local
+version (Son) static assert(0, "Expected Son to not be set");
+version (Diamond) static assert(0, "Expected Diamond to not be set");
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set"); // via dependency
+debug (dDaughter) {} else static assert(0, "Expected dDaughter to be set"); // local
+debug (dSon) {} else static assert(0, "Expected dSon to be set"); // via diamond dependency
+debug (dDiamond) static assert(0, "Expected dDiamond to not be set");
+
+version (Have_daughter) static assert(0, "Expected Have_daughter to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
+version (Have_diamond) static assert(0, "Expected Have_diamond to not be set");
diff --git a/test/version-filters-diamond/diamond/.gitignore b/test/version-filters-diamond/diamond/.gitignore
new file mode 100644
index 0000000..c359a73
--- /dev/null
+++ b/test/version-filters-diamond/diamond/.gitignore
@@ -0,0 +1,14 @@
+.dub
+docs.json
+__dummy.html
+docs/
+diamond.so
+diamond.dylib
+diamond.dll
+diamond.a
+diamond.lib
+diamond-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-diamond/diamond/dub.sdl b/test/version-filters-diamond/diamond/dub.sdl
new file mode 100644
index 0000000..afdb272
--- /dev/null
+++ b/test/version-filters-diamond/diamond/dub.sdl
@@ -0,0 +1,3 @@
+name "diamond"
+versions "Diamond"
+debugVersions "dDiamond"
diff --git a/test/version-filters-diamond/diamond/source/dummy.d b/test/version-filters-diamond/diamond/source/dummy.d
new file mode 100644
index 0000000..3c1fca5
--- /dev/null
+++ b/test/version-filters-diamond/diamond/source/dummy.d
@@ -0,0 +1,26 @@
+module diamond.dummy;
+
+template hasVersion(string v)
+{
+	mixin("version ("~v~") enum hasVersion = true; else enum hasVersion = false;");
+}
+
+template hasDebugVersion(string v)
+{
+	mixin("debug ("~v~") enum hasDebugVersion = true; else enum hasDebugVersion = false;");
+}
+
+// checking inference here
+version (Parent) {} else static assert(0, "Expected Parent to be set");
+version (Daughter) {} else static assert(0, "Expected Daughter to be set");
+static assert(!hasVersion!"Son");
+static assert(!hasVersion!"Diamond");
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set");
+static assert(!hasDebugVersion!"dDaughter");
+debug (dSon) {} else static assert(0, "Expected dSon to be set");
+static assert(!hasDebugVersion!"dDiamond");
+
+static assert(!hasVersion!"Have_daughter");
+static assert(!hasVersion!"Have_son");
+static assert(!hasVersion!"Have_diamond");
diff --git a/test/version-filters-diamond/dub.sdl b/test/version-filters-diamond/dub.sdl
new file mode 100644
index 0000000..51295fd
--- /dev/null
+++ b/test/version-filters-diamond/dub.sdl
@@ -0,0 +1,7 @@
+name "version-filters-diamond"
+versions "Parent"
+debugVersions "dParent"
+x:versionFilters "Parent"
+x:debugVersionFilters "dParent"
+dependency "daughter" path="daughter"
+dependency "son" path="son"
diff --git a/test/version-filters-diamond/son/.gitignore b/test/version-filters-diamond/son/.gitignore
new file mode 100644
index 0000000..601a33b
--- /dev/null
+++ b/test/version-filters-diamond/son/.gitignore
@@ -0,0 +1,14 @@
+.dub
+docs.json
+__dummy.html
+docs/
+son.so
+son.dylib
+son.dll
+son.a
+son.lib
+son-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-diamond/son/dub.sdl b/test/version-filters-diamond/son/dub.sdl
new file mode 100644
index 0000000..3e0a630
--- /dev/null
+++ b/test/version-filters-diamond/son/dub.sdl
@@ -0,0 +1,6 @@
+name "son"
+versions "Son"
+debugVersions "dSon"
+x:versionFilters "Son"
+x:debugVersionFilters "dSon"
+dependency "diamond" path="../diamond"
diff --git a/test/version-filters-diamond/son/source/dummy.d b/test/version-filters-diamond/son/source/dummy.d
new file mode 100644
index 0000000..7e56da0
--- /dev/null
+++ b/test/version-filters-diamond/son/source/dummy.d
@@ -0,0 +1,15 @@
+module son.dummy;
+
+version (Parent) {} else static assert(0, "Expected Parent to be set"); // via dependency
+version (Daughter) {} else static assert(0, "Expected Daughter to not be set"); // via diamond dependency
+version (Son) {} else static assert(0, "Expected Son to be set"); // local
+version (Diamond) static assert(0, "Expected Diamond to not be set");
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set"); // via dependency
+debug (dDaughter) static assert(0, "Expected dDaughter to not be set"); // via diamond dependency
+debug (dSon) {} else static assert(0, "Expected dSon to be set"); // local
+debug (dDiamond) static assert(0, "Expected dDiamond to not be set");
+
+version (Have_daughter) static assert(0, "Expected Have_daughter to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
+version (Have_diamond) static assert(0, "Expected Have_diamond to not be set");
diff --git a/test/version-filters-diamond/source/app.d b/test/version-filters-diamond/source/app.d
new file mode 100644
index 0000000..2f19e5c
--- /dev/null
+++ b/test/version-filters-diamond/source/app.d
@@ -0,0 +1,17 @@
+version (Parent) {} else static assert(0, "Expected Parent to be set"); // local
+version (Daughter) {} else static assert(0, "Expected Daughter to not be set"); // via dependency
+version (Son) {} else static assert(0, "Expected Son to not be set"); // via dependency
+version (Diamond) static assert(0, "Expected Diamond to not be set"); // unused by dependencies
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set"); // local
+debug (dDaughter) {} else static assert(0, "Expected dDaughter to be set"); // via dependency
+debug (dSon) {} else static assert(0, "Expected dSon to not be set"); // via dependency
+debug (dDiamond) static assert(0, "Expected dDiamond to not be set"); // unused by dependencies
+
+version (Have_daugther) static assert(0, "Expected Have_daugther to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
+version (Have_diamond) static assert(0, "Expected Have_diamond to not be set");
+
+void main()
+{
+}
diff --git a/test/version-filters-none/.gitignore b/test/version-filters-none/.gitignore
new file mode 100644
index 0000000..c09a597
--- /dev/null
+++ b/test/version-filters-none/.gitignore
@@ -0,0 +1,15 @@
+.dub
+docs.json
+__dummy.html
+docs/
+issue1262-version-inheritance-diamond
+issue1262-version-inheritance-diamond.so
+issue1262-version-inheritance-diamond.dylib
+issue1262-version-inheritance-diamond.dll
+issue1262-version-inheritance-diamond.a
+issue1262-version-inheritance-diamond.lib
+issue1262-version-inheritance-diamond-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-none/.no_build b/test/version-filters-none/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-none/.no_build
diff --git a/test/version-filters-none/.no_run b/test/version-filters-none/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-none/.no_run
diff --git a/test/version-filters-none/.no_test b/test/version-filters-none/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-none/.no_test
diff --git a/test/version-filters-none/dub.sdl b/test/version-filters-none/dub.sdl
new file mode 100644
index 0000000..5ad696c
--- /dev/null
+++ b/test/version-filters-none/dub.sdl
@@ -0,0 +1,4 @@
+name "version-filters-none"
+versions "Parent"
+debugVersions "dParent"
+x:versionFilters "none"
diff --git a/test/version-filters-none/source/app.d b/test/version-filters-none/source/app.d
new file mode 100644
index 0000000..cafe4cf
--- /dev/null
+++ b/test/version-filters-none/source/app.d
@@ -0,0 +1,6 @@
+version (Parent) static assert(0, "Expected Parent to not be set");
+debug (dParent) static assert(0, "Expected dParent to not be set");
+
+void main()
+{
+}
diff --git a/test/version-filters-source-dep/.gitignore b/test/version-filters-source-dep/.gitignore
new file mode 100644
index 0000000..c09a597
--- /dev/null
+++ b/test/version-filters-source-dep/.gitignore
@@ -0,0 +1,15 @@
+.dub
+docs.json
+__dummy.html
+docs/
+issue1262-version-inheritance-diamond
+issue1262-version-inheritance-diamond.so
+issue1262-version-inheritance-diamond.dylib
+issue1262-version-inheritance-diamond.dll
+issue1262-version-inheritance-diamond.a
+issue1262-version-inheritance-diamond.lib
+issue1262-version-inheritance-diamond-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters-source-dep/.no_build b/test/version-filters-source-dep/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-source-dep/.no_build
diff --git a/test/version-filters-source-dep/.no_run b/test/version-filters-source-dep/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-source-dep/.no_run
diff --git a/test/version-filters-source-dep/.no_test b/test/version-filters-source-dep/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters-source-dep/.no_test
diff --git a/test/version-filters-source-dep/dub.sdl b/test/version-filters-source-dep/dub.sdl
new file mode 100644
index 0000000..73d4834
--- /dev/null
+++ b/test/version-filters-source-dep/dub.sdl
@@ -0,0 +1,5 @@
+name "version-filters-source-dep"
+versions "Parent"
+debugVersions "dParent"
+x:versionFilters "none"
+dependency "source-dep" path="source-dep"
diff --git a/test/version-filters-source-dep/source-dep/dub.sdl b/test/version-filters-source-dep/source-dep/dub.sdl
new file mode 100644
index 0000000..d9b7c63
--- /dev/null
+++ b/test/version-filters-source-dep/source-dep/dub.sdl
@@ -0,0 +1,7 @@
+name "source-dep"
+versions "SourceDep"
+debugVersions "dSourceDep"
+# filter of sourceOnly libs are merged with dependents
+x:versionFilters "SourceDep"
+x:debugVersionFilters "dSourceDep"
+targetType "sourceLibrary"
diff --git a/test/version-filters-source-dep/source-dep/source/dummy.d b/test/version-filters-source-dep/source-dep/source/dummy.d
new file mode 100644
index 0000000..daee233
--- /dev/null
+++ b/test/version-filters-source-dep/source-dep/source/dummy.d
@@ -0,0 +1,7 @@
+module sourcedep.dummy;
+
+version (Parent) static assert(0, "Expected Parent to not be set");
+version (SourceDep) {} else static assert(0, "Expected SourceDep to be set");
+
+debug (dParent) static assert(0, "Expected dParent to not be set");
+debug (dSourceDep) {} else static assert(0, "Expected dSourceDep to be set");
diff --git a/test/version-filters-source-dep/source/app.d b/test/version-filters-source-dep/source/app.d
new file mode 100644
index 0000000..13de8f5
--- /dev/null
+++ b/test/version-filters-source-dep/source/app.d
@@ -0,0 +1,9 @@
+version (Parent) static assert(0, "Expected Parent to not be set");
+version (SourceDep) {} else static assert(0, "Expected SourceDep to be set");
+
+debug (dParent) static assert(0, "Expected dParent to not be set");
+debug (dSourceDep) {} else static assert(0, "Expected dSourceDep to be set");
+
+void main()
+{
+}
diff --git a/test/version-filters.sh b/test/version-filters.sh
new file mode 100755
index 0000000..e92f3fa
--- /dev/null
+++ b/test/version-filters.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+. $(dirname "${BASH_SOURCE[0]}")/common.sh
+
+$DUB build --root="$CURR_DIR/version-filters" --filter-versions
+$DUB build --root="$CURR_DIR/version-filters-diamond" --filter-versions
+$DUB build --root="$CURR_DIR/version-filters-source-dep" --filter-versions
+$DUB build --root="$CURR_DIR/version-filters-none" --filter-versions
diff --git a/test/version-filters/.gitignore b/test/version-filters/.gitignore
new file mode 100644
index 0000000..c09a597
--- /dev/null
+++ b/test/version-filters/.gitignore
@@ -0,0 +1,15 @@
+.dub
+docs.json
+__dummy.html
+docs/
+issue1262-version-inheritance-diamond
+issue1262-version-inheritance-diamond.so
+issue1262-version-inheritance-diamond.dylib
+issue1262-version-inheritance-diamond.dll
+issue1262-version-inheritance-diamond.a
+issue1262-version-inheritance-diamond.lib
+issue1262-version-inheritance-diamond-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters/.no_build b/test/version-filters/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters/.no_build
diff --git a/test/version-filters/.no_run b/test/version-filters/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters/.no_run
diff --git a/test/version-filters/.no_test b/test/version-filters/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/version-filters/.no_test
diff --git a/test/version-filters/daughter/.gitignore b/test/version-filters/daughter/.gitignore
new file mode 100644
index 0000000..f190acb
--- /dev/null
+++ b/test/version-filters/daughter/.gitignore
@@ -0,0 +1,14 @@
+.dub
+docs.json
+__dummy.html
+docs/
+daughter.so
+daughter.dylib
+daughter.dll
+daughter.a
+daughter.lib
+daughter-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters/daughter/dub.sdl b/test/version-filters/daughter/dub.sdl
new file mode 100644
index 0000000..7eb94da
--- /dev/null
+++ b/test/version-filters/daughter/dub.sdl
@@ -0,0 +1,5 @@
+name "daughter"
+versions "Daughter"
+debugVersions "dDaughter"
+x:versionFilters "Daughter" "Parent"
+x:debugVersionFilters "dDaughter" "dParent"
diff --git a/test/version-filters/daughter/source/dummy.d b/test/version-filters/daughter/source/dummy.d
new file mode 100644
index 0000000..7295801
--- /dev/null
+++ b/test/version-filters/daughter/source/dummy.d
@@ -0,0 +1,12 @@
+module daughter.dummy;
+
+version (Parent) {} else static assert(0, "Expected Parent to be set");
+version (Daughter) {} else static assert(0, "Expected Daughter to be set");
+version (Son) static assert(0, "Expected Son to not be set");
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set");
+debug (dDaughter) {} else static assert(0, "Expected dDaughter to be set");
+debug (dSon) static assert(0, "Expected dSon to not be set");
+
+version (Have_daughter) static assert(0, "Expected Have_daughter to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
diff --git a/test/version-filters/dub.sdl b/test/version-filters/dub.sdl
new file mode 100644
index 0000000..9f79da4
--- /dev/null
+++ b/test/version-filters/dub.sdl
@@ -0,0 +1,7 @@
+name "version-filters"
+versions "Parent"
+debugVersions "dParent"
+x:versionFilters "Parent"
+x:debugVersionFilters "dParent"
+dependency "daughter" path="daughter"
+dependency "son" path="son"
diff --git a/test/version-filters/son/.gitignore b/test/version-filters/son/.gitignore
new file mode 100644
index 0000000..601a33b
--- /dev/null
+++ b/test/version-filters/son/.gitignore
@@ -0,0 +1,14 @@
+.dub
+docs.json
+__dummy.html
+docs/
+son.so
+son.dylib
+son.dll
+son.a
+son.lib
+son-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/test/version-filters/son/dub.sdl b/test/version-filters/son/dub.sdl
new file mode 100644
index 0000000..e851dd6
--- /dev/null
+++ b/test/version-filters/son/dub.sdl
@@ -0,0 +1,5 @@
+name "son"
+versions "Son"
+debugVersions "dSon"
+x:versionFilters "Son"
+x:debugVersionFilters "dSon"
diff --git a/test/version-filters/son/source/dummy.d b/test/version-filters/son/source/dummy.d
new file mode 100644
index 0000000..0cfbcd3
--- /dev/null
+++ b/test/version-filters/son/source/dummy.d
@@ -0,0 +1,12 @@
+module son.dummy;
+
+version (Parent) static assert(0, "Expected Parent to not be set");
+version (Daughter) static assert(0, "Expected Daughter to not be set");
+version (Son) {} else static assert(0, "Expected Son to be set");
+
+debug (dParent) static assert(0, "Expected dParent to not be set");
+debug (dDaughter) static assert(0, "Expected dDaughter to not be set");
+debug (dSon) {} else static assert(0, "Expected dSon to be set");
+
+version (Have_daughter) static assert(0, "Expected Have_daughter to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
diff --git a/test/version-filters/source/app.d b/test/version-filters/source/app.d
new file mode 100644
index 0000000..e674170
--- /dev/null
+++ b/test/version-filters/source/app.d
@@ -0,0 +1,14 @@
+version (Parent) {} else static assert(0, "Expected Parent to be set"); // local
+version (Daughter) {} else static assert(0, "Expected Daughter to be set"); // via dependency
+version (Son) {} else static assert(0, "Expected Son to be set"); // via dependency
+
+debug (dParent) {} else static assert(0, "Expected dParent to be set"); // local
+debug (dDaughter) {} else static assert(0, "Expected dDaughter to be set"); // via dependency
+debug (dSon) {} else static assert(0, "Expected dSon to be set"); // via dependency
+
+version (Have_daugther) static assert(0, "Expected Have_daugther to not be set");
+version (Have_son) static assert(0, "Expected Have_son to not be set");
+
+void main()
+{
+}