Add test for Requires.internal

https://bugs.freedesktop.org/show_bug.cgi?id=105572

check/check-print-options

@@ -31,7 +31,8 @@ RESULT="public-dep >= 1"
 run_test --print-requires requires-test
 
 # --print-requires-private
-RESULT="private-dep >= 1"
+RESULT="internal-dep >= 1
+private-dep >= 1"
 run_test --print-requires-private requires-test
 
 # --list-all, limit to a subdirectory
@@ -51,6 +52,7 @@ run_test --modversion --version simple
 
 # --print-requires/--print-requires-private allowed together
 RESULT="public-dep >= 1
+internal-dep >= 1
 private-dep >= 1"
 run_test --print-requires --print-requires-private requires-test
 run_test --print-requires-private --print-requires requires-test

check/check-requires-private

@@ -4,7 +4,7 @@ set -e
 
 . ${srcdir}/common
 
-# expect cflags from requires-test and public-dep
+# expect cflags from requires-test, public-dep and private-dep but not internal-dep
 RESULT="-I/requires-test/include -I/private-dep/include -I/public-dep/include"
 run_test --cflags requires-test
 run_test --static --cflags requires-test
@@ -15,9 +15,9 @@ if [ "$list_indirect_deps" = no ]; then
     run_test --libs requires-test
 fi
 
-# expect libs for requires-test, public-dep and private-dep in static case
-RESULT="-L/requires-test/lib -L/private-dep/lib -L/public-dep/lib \
--lrequires-test -lprivate-dep -lpublic-dep"
+# expect libs for requires-test, public-dep, private-dep and internal-dep in static case
+RESULT="-L/requires-test/lib -L/internal-dep/lib -L/private-dep/lib -L/public-dep/lib \
+-lrequires-test -linternal-dep -lprivate-dep -lpublic-dep"
 if [ "$list_indirect_deps" = yes ]; then
     run_test --libs requires-test
 fi

check/internal-dep.pc

@@ -0,0 +1,6 @@
+Name: Requires test package
+Description: Dummy pkgconfig test package for testing Requires/Requires.private
+Version: 1.0.0
+Libs: -L/internal-dep/lib -linternal-dep
+Cflags: -I/internal-dep/include
+

check/requires-test.pc

@@ -3,6 +3,7 @@ Description: Dummy pkgconfig test package for testing Requires/Requires.private
 Version: 1.0.0
 Requires: public-dep >= 1
 Requires.private: private-dep >= 1
+Requires.internal: internal-dep >= 1
 Libs: -L/requires-test/lib -lrequires-test
 Cflags: -I/requires-test/include