1// RUN: rm -rf %t
2//
3// First, create two modules a and b, with a dependency b -> a, both within
4// the same directory p1.
5//
6// RUN: mkdir -p %t/p1
7// RUN: cd %t/p1
8//
9// RUN: grep "<AM>" %s > %t/p1/a.modulemap
10// RUN: %clang_cc1 -x c++ -fmodules -emit-module -fmodule-map-file-home-is-cwd \
11// RUN:   -fmodules-embed-all-files -fmodules-local-submodule-visibility \
12// RUN:   -fmodule-name="a" -o a.pcm a.modulemap
13//
14// RUN: grep "<BM>" %s > %t/p1/b.modulemap
15// RUN: %clang_cc1 -x c++ -fmodules -emit-module -fmodule-map-file-home-is-cwd \
16// RUN:   -fmodules-embed-all-files -fmodules-local-submodule-visibility \
17// RUN:   -fmodule-name="b" -o b.pcm b.modulemap
18//
19// Next, move the whole tree p1 -> p2.
20//
21// RUN: cd %t
22// RUN: mv %t/p1 %t/p2
23// RUN: cd %t/p2
24//
25// Compile a new module c in the newly generated tree that depends on b; c.pcm
26// has to be within a subdirectory so a.modulemap will be one step up (../) from
27// c.pcm.
28//
29// RUN: mkdir %t/p2/c
30// RUN: grep "<CM>" %s > %t/p2/c/c.modulemap
31// RUN: grep "<CH>" %s > %t/p2/c/c.h
32// RUN: %clang_cc1 -x c++ -fmodules -emit-module -fmodule-map-file-home-is-cwd \
33// RUN:   -fmodules-embed-all-files -fmodules-local-submodule-visibility \
34// RUN:   -fmodule-name="c" -fmodule-file=b.pcm -o c/c.pcm c/c.modulemap
35//
36// Delete a.modulemap from its original location, and instead inject a different
37// (unrelated) a.modulemap in the path p2/p2.
38//
39// RUN: rm %t/p2/a.modulemap
40// RUN: mkdir -p %t/p2/p2
41// RUN: touch %t/p2/p2/a.modulemap
42//
43// Now compile a file c.cpp that uses c.h and the module c; it is important
44// to first load b.pcm and a.pcm before c.pcm on the command line to trigger
45// the right order of module loading. This used to trigger clang to find the
46// p2/p2/a.modulemap via the path c/../p2/a.modulemap, which is not the correct
47// relative path from c.
48//
49// RUN: grep "<CC>" %s > %t/p2/c/c.cpp
50// RUN: %clang_cc1 -I. -x c++ -fmodules \
51// RUN:     -fmodule-file=b.pcm -fmodule-file=a.pcm -fmodule-file=c/c.pcm  \
52// RUN:     -o c/c.o -emit-obj c/c.cpp
53
54module "a" {                // <AM>
55}                           // <AM>
56
57module "b" {                // <BM>
58  use "a"                   // <BM>
59}                           // <BM>
60
61module "c" {                // <CM>
62  header "c/c.h"            // <CM>
63  use "a"                   // <CM>
64  use "b"                   // <CM>
65}                           // <CM>
66
67inline void c() {}          // <CH>
68
69#include "c/c.h"            // <CC>
70void foo() { c(); }         // <CC>
71