// RUN: %empty-directory(%t)

// 1) Build a prebuilt cache for our SDK
//
// RUN: mkdir %t/MCP %t/prebuilt-cache %t/my-sdk
// RUN: cp -r %S/Inputs/mock-sdk/. %t/my-sdk
// RUN: %target-swift-frontend -compile-module-from-interface -serialize-parseable-module-interface-dependency-hashes -sdk %t/my-sdk -prebuilt-module-cache-path %t/prebuilt-cache -I %t/my-sdk -module-cache-path %t/MCP -o %t/prebuilt-cache/ExportedLib.swiftmodule -track-system-dependencies -module-name ExportedLib %t/my-sdk/ExportedLib.swiftinterface
// RUN: %target-swift-frontend -compile-module-from-interface -serialize-parseable-module-interface-dependency-hashes -sdk %t/my-sdk -prebuilt-module-cache-path %t/prebuilt-cache -I %t/my-sdk -module-cache-path %t/MCP -o %t/prebuilt-cache/SdkLib.swiftmodule -track-system-dependencies -module-name SdkLib %t/my-sdk/SdkLib.swiftinterface
//
// Check the prebuilt modules don't contain dependencies in the module cache, prebuilt cache, or resource dir
// RUN: llvm-bcanalyzer -dump %t/prebuilt-cache/ExportedLib.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
// RUN: llvm-bcanalyzer -dump %t/prebuilt-cache/SdkLib.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
//
// PREBUILT: MODULE_BLOCK
// PREBUILT-NOT: FILE_DEPENDENCY {{.*[/\\]MCP[/\\]}}
// PREBUILT-NOT: FILE_DEPENDENCY {{.*[/\\]prebuilt-cache[/\\]}}
// PREBUILD-NOT: FILE_DEPENDENCY {{.*[/\\]lib[/\\]swift[/\\]}}
//
// Re-build them in the opposite order
// RUN: %empty-directory(%t/prebuilt-cache)
// RUN: %empty-directory(%t/MCP)
// RUN: %target-swift-frontend -compile-module-from-interface -serialize-parseable-module-interface-dependency-hashes -sdk %t/my-sdk -prebuilt-module-cache-path %t/prebuilt-cache -I %t/my-sdk -module-cache-path %t/MCP -o %t/prebuilt-cache/SdkLib.swiftmodule -track-system-dependencies -module-name SdkLib %t/my-sdk/SdkLib.swiftinterface
// RUN: %target-swift-frontend -compile-module-from-interface -serialize-parseable-module-interface-dependency-hashes -sdk %t/my-sdk -prebuilt-module-cache-path %t/prebuilt-cache -I %t/my-sdk -module-cache-path %t/MCP -o %t/prebuilt-cache/ExportedLib.swiftmodule -track-system-dependencies -module-name ExportedLib %t/my-sdk/ExportedLib.swiftinterface
//
// Check they still don't contain dependencies in the module cache or prebuilt cache
// RUN: llvm-bcanalyzer -dump %t/prebuilt-cache/ExportedLib.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
// RUN: llvm-bcanalyzer -dump %t/prebuilt-cache/SdkLib.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
//
// RUN: %empty-directory(%t/MCP)
// RUN: echo '1: PASSED'


// 2) Baseline check: Make sure we use the interface when not passing the prebuilt module cache path
//
// RUN: %target-swift-frontend -typecheck -I %t/my-sdk -sdk %t/my-sdk -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies -emit-loaded-module-trace-path %t/trace.json %s
//
// Check SdkLib and ExportedLib are in the module cache
// RUN: test -f %t/MCP/ExportedLib-*.swiftmodule
// RUN: test -f %t/MCP/SdkLib-*.swiftmodule
//
// Check they are *not* forwarding modules
// RUN: not %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/SdkLib-*.swiftmodule
// RUN: not %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/ExportedLib-*.swiftmodule
//
// Check they don't contain dependencies in the module cache (..or prebuilt cache)
// RUN: llvm-bcanalyzer -dump %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
// RUN: llvm-bcanalyzer -dump %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
//
// Check we didn't emit anything from the cache in the .d file either
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE-NEGATIVE
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE
//
// DEPFILE-NEGATIVE-NOT: {{[/\\]MCP[/\\]}}
// DEPFILE-NEGATIVE-NOT: {{[/\\]prebuilt-cache[/\\]}}
//
// DEPFILE-DAG: SomeCModule.h
// DEPFILE-DAG: SdkLib.swiftinterface
// DEPFILE-DAG: ExportedLib.swiftinterface
// DEPFILE-DAG: SDKDependencies.swift
//
// Check we didn't emit anything from the cache in the trace file either
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE-NEGATIVE
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE
//
// TRACEFILE-NEGATIVE-NOT: {{[/\\]MCP[/\\]}}
// TRACEFILE-NEGATIVE-NOT: {{[/\\]prebuilt-cache[/\\]}}
//
// TRACEFILE-DAG: SdkLib.swiftinterface
// TRACEFILE-DAG: ExportedLib.swiftinterface
//
// RUN: %empty-directory(%t/MCP)
// RUN: echo '2: PASSED'


// 3) Baseline check: Make sure we use the prebuilt module cache when using the SDK it was built with
//
// RUN: %target-swift-frontend -typecheck -I %t/my-sdk -sdk %t/my-sdk -prebuilt-module-cache-path %t/prebuilt-cache -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies  -emit-loaded-module-trace-path %t/trace.json %s
//
// Check SdkLib and ExportedLib are in the module cache
// RUN: test -f %t/MCP/SdkLib-*.swiftmodule
// RUN: test -f %t/MCP/ExportedLib-*.swiftmodule
//
// Check they *are* forwarding modules
// RUN: %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/SdkLib-*.swiftmodule
// RUN: %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/ExportedLib-*.swiftmodule
//
// Check they contain the expected dependencies
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=EXLIB
// RUN: cat %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefixes=EXLIB,SDKLIB
//
// EXLIB: dependencies:
// EXLIB-DAG: path: '{{usr[/\\]include[/\\]}}module.modulemap'
// EXLIB-DAG: path: '{{usr[/\\]include[/\\]}}SomeCModule.h'
// EXLIB-DAG: path: ExportedLib.swiftinterface
// SDKLIB-DAG: SdkLib.swiftinterface
//
// Check they don't contain any dependencies from either cache other than themselves
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=NOCACHE -DLIB_NAME=ExportedLib
// RUN: cat %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefix=NOCACHE -DLIB_NAME=SdkLib
//
// NOCACHE: dependencies:
// NOCACHE-NOT: {{[/\\]prebuilt-cache[/\\]}}
// NOCACHE-NOT: {{[/\\]MCP[/\\]}}
// NOCACHE: {{[/\\]prebuilt-cache[/\\]}}[[LIB_NAME]].swiftmodule
// NOCACHE-NOT: {{[/\\]prebuilt-cache[/\\]}}
// NOCACHE-NOT: {{[/\\]MCP[/\\]}}
//
// Check we didn't emit anything from the cache in the .d file either
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE-NEGATIVE
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE
//
// Check we didn't emit anything from the cache in the trace file either
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE-NEGATIVE
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE
//
// RUN: %empty-directory(%t/MCP)
// RUN: echo '3: PASSED'


// 4) Move the SDK without changing its contents
//
// RUN: mv %t/my-sdk %t/my-new-sdk
// RUN: mkdir %t/new-dir
// RUN: mv %t/prebuilt-cache %t/new-dir/
// RUN: %target-swift-frontend -typecheck -I %t/my-new-sdk -sdk %t/my-new-sdk -prebuilt-module-cache-path %t/new-dir/prebuilt-cache -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies -emit-loaded-module-trace-path %t/trace.json %s
//
// Check SdkLib and ExportedLib are in the module cache
// RUN: test -f %t/MCP/SdkLib-*.swiftmodule
// RUN: test -f %t/MCP/ExportedLib-*.swiftmodule
//
// Check they are still both forwarding modules
// RUN: %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/SdkLib-*.swiftmodule
// RUN: %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/ExportedLib-*.swiftmodule
//
// Check they contain the expected dependencies
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=NEW-EXLIB
// RUN: cat %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefixes=NEW-EXLIB,NEW-SDKLIB
//
// NEW-EXLIB-DAG: path: '{{usr[/\\]include[/\\]}}module.modulemap'
// NEW-EXLIB-DAG: path: '{{usr[/\\]include[/\\]}}SomeCModule.h'
// NEW-EXLIB-DAG: path: ExportedLib.swiftinterface
// NEW-SDKLIB-DAG: path: SdkLib.swiftinterface
//
// Check they don't contain dependencies from the module cache, old prebuilt
// cache, or new prebuilt cache
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=NOCACHE -DLIB_NAME=ExportedLib
// RUN: cat %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefix=NOCACHE -DLIB_NAME=SdkLib
//
// Check we didn't emit anything from the cache in the .d file either
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE-NEGATIVE
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE
//
// Check we didn't emit anything from the cache in the trace file either
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE-NEGATIVE
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE
//
// RUN: %empty-directory(%t/MCP)
// RUN: echo '4: PASSED'


// 5) Now change the SDK's content and check it no longer uses the prebuilt modules
//
// RUN: echo "// size change" >> %t/my-new-sdk/SdkLib.swiftinterface
// RUN: %target-swift-frontend -typecheck -I %t/my-new-sdk -sdk %t/my-new-sdk -prebuilt-module-cache-path %t/new-dir/prebuilt-cache -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies -emit-loaded-module-trace-path %t/trace.json %s
//
// Check SDKLib and ExportedLib are in the module cache
// RUN: test -f %t/MCP/SdkLib-*.swiftmodule
// RUN: test -f %t/MCP/ExportedLib-*.swiftmodule
//
// Check ExportedLib is still a forwarding module and SdkLib is not
// RUN: %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/ExportedLib-*.swiftmodule
// RUN: not %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/SdkLib-*.swiftmodule
//
// Check ExportedLib still contains the same dependencies
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=NEW-EXLIB
// RUN: cat %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=NOCACHE -DLIB_NAME=ExportedLib
//
// Check SdkLib doesn't contain dependencies in the module cache or prebuilt cache
// RUN: llvm-bcanalyzer -dump %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
//
// RUN: %empty-directory(%t/MCP)
//
// RUN: echo "// size change" >> %t/my-new-sdk/usr/include/SomeCModule.h
// RUN: %target-swift-frontend -typecheck -I %t/my-new-sdk -sdk %t/my-new-sdk -prebuilt-module-cache-path %t/new-prebuilt-cache -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies %s
//
// Check SDKLib and ExportLib are in the module cache
// RUN: test -f %t/MCP/SdkLib-*.swiftmodule
// RUN: test -f %t/MCP/ExportedLib-*.swiftmodule
//
// Check neither are forwarding modules
// RUN: not %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/SdkLib-*.swiftmodule
// RUN: not %{python} %S/Inputs/check-is-forwarding-module.py %t/MCP/ExportedLib-*.swiftmodule
//
// Check neither contains dependencies in the module cache or prebuilt cache
// RUN: llvm-bcanalyzer -dump %t/MCP/ExportedLib-*.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
// RUN: llvm-bcanalyzer -dump %t/MCP/SdkLib-*.swiftmodule | %FileCheck %s -check-prefix=PREBUILT
//
// Check we didn't emit anything from the cache in the .d file either
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE-NEGATIVE
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPFILE
//
// Check we didn't emit anything from the cache in the trace file either
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE-NEGATIVE
// RUN: cat %t/trace.json | %FileCheck %s -check-prefix=TRACEFILE
//
// RUN: echo '5: PASSED'


// 6) Keeping the existing cache, update ExportedLib to no longer depend on SomeCModule
//
// RUN: grep -v import %t/my-new-sdk/ExportedLib.swiftinterface > %t/my-new-sdk/ExportedLib.swiftinterface.updated
// RUN: mv %t/my-new-sdk/ExportedLib.swiftinterface.updated %t/my-new-sdk/ExportedLib.swiftinterface
//
// RUN: sed -e 's/x > 3/5 > 3/g' %s | %target-swift-frontend -typecheck -I %t/my-new-sdk -sdk %t/my-new-sdk -prebuilt-module-cache-path %t/new-dir/prebuilt-cache -module-cache-path %t/MCP -emit-dependencies-path %t/dummy.d -track-system-dependencies -
//
// Check we don't have SomeCModule listed in dependencies
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefixes=DEPFILE-NEGATIVE,DEPCHANGE-NEGATIVE
// RUN: cat %t/dummy.d | %FileCheck %s -check-prefix=DEPCHANGE
//
// DEPCHANGE-NEGATIVE-NOT: SomeCModule.h
//
// DEPCHANGE-DAG: SdkLib.swiftinterface
// DEPCHANGE-DAG: ExportedLib.swiftinterface
// DEPCHANGE-DAG: SDKDependencies.swift

import SdkLib

func foo() -> ExportedInterface {
	return x > 3 ? testValue : testValue2
}