1// Test the automatic pruning of module cache entries. 2#ifdef IMPORT_DEPENDS_ON_MODULE 3@import DependsOnModule; 4#else 5@import Module; 6#endif 7 8// We need 'touch' and 'find' for this test to work. 9// REQUIRES: shell 10 11// Clear out the module cache 12// RUN: rm -rf %t 13// Run Clang twice so we end up creating the timestamp file (the second time). 14// RUN: %clang_cc1 -DIMPORT_DEPENDS_ON_MODULE -fmodules-ignore-macro=DIMPORT_DEPENDS_ON_MODULE -fmodules -fimplicit-module-maps -F %S/Inputs -fmodules-cache-path=%t %s -verify 15// RUN: %clang_cc1 -DIMPORT_DEPENDS_ON_MODULE -fmodules-ignore-macro=DIMPORT_DEPENDS_ON_MODULE -fmodules -fimplicit-module-maps -F %S/Inputs -fmodules-cache-path=%t %s -verify 16// RUN: ls %t | grep modules.timestamp 17// RUN: ls -R %t | grep ^Module.*pcm 18// RUN: ls -R %t | grep DependsOnModule.*pcm 19 20// Set the timestamp back more than two days. We should try to prune, 21// but nothing gets pruned because the module files are new enough. 22// RUN: touch -m -a -t 201101010000 %t/modules.timestamp 23// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -F %S/Inputs -fmodules-cache-path=%t -fmodules -fmodules-prune-interval=172800 -fmodules-prune-after=345600 %s -verify 24// RUN: ls %t | grep modules.timestamp 25// RUN: ls -R %t | grep ^Module.*pcm 26// RUN: ls -R %t | grep DependsOnModule.*pcm 27 28// Set the DependsOnModule access time back more than four days. 29// This shouldn't prune anything, because the timestamp has been updated, so 30// the pruning mechanism won't fire. 31// RUN: find %t -name DependsOnModule*.pcm | xargs touch -a -t 201101010000 32// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -F %S/Inputs -fmodules-cache-path=%t -fmodules -fmodules-prune-interval=172800 -fmodules-prune-after=345600 %s -verify 33// RUN: ls %t | grep modules.timestamp 34// RUN: ls -R %t | grep ^Module.*pcm 35// RUN: ls -R %t | grep DependsOnModule.*pcm 36 37// Set both timestamp and DependsOnModule.pcm back beyond the cutoff. 38// This should trigger pruning, which will remove DependsOnModule but not Module. 39// RUN: touch -m -a -t 201101010000 %t/modules.timestamp 40// RUN: find %t -name DependsOnModule*.pcm | xargs touch -a -t 201101010000 41// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -F %S/Inputs -fmodules-cache-path=%t -fmodules -fmodules-prune-interval=172800 -fmodules-prune-after=345600 %s -verify 42// RUN: ls %t | grep modules.timestamp 43// RUN: ls -R %t | grep ^Module.*pcm 44// RUN: ls -R %t | not grep DependsOnModule.*pcm 45 46// expected-no-diagnostics 47