Merge pull request #5128 from modocache/sr-2855-driver-show-incremental-tests

Author: swift-ci

test/Driver/Dependencies/driver-show-incremental-mutual.swift

@@ -0,0 +1,17 @@
+/// main <==> other
+
+// RUN: rm -rf %t && cp -r %S/Inputs/mutual/ %t
+// RUN: touch -t 201401240005 %t/*
+
+// RUN: cd %t && %swiftc_driver -c -driver-use-frontend-path %S/Inputs/update-dependencies.py -output-file-map %t/output.json -incremental -driver-always-rebuild-dependents ./main.swift ./other.swift -module-name main -j1 -v -driver-show-incremental 2>&1 | %FileCheck -check-prefix=CHECK-FIRST %s
+// CHECK-FIRST: Queuing main.swift (initial)
+
+// RUN: cd %t && %swiftc_driver -c -driver-use-frontend-path %S/Inputs/update-dependencies.py -output-file-map %t/output.json -incremental -driver-always-rebuild-dependents ./main.swift ./other.swift -module-name main -j1 -v -driver-show-incremental 2>&1 | %FileCheck -check-prefix=CHECK-SECOND %s
+// CHECK-SECOND-NOT: Queuing
+
+// RUN: touch -t 201401240006 %t/other.swift
+// RUN: cd %t && %swiftc_driver -c -driver-use-frontend-path %S/Inputs/update-dependencies.py -output-file-map %t/output.json -incremental -driver-always-rebuild-dependents ./main.swift ./other.swift -module-name main -j1 -v -driver-show-incremental 2>&1 | %FileCheck -check-prefix=CHECK-THIRD %s
+// CHECK-THIRD: Queuing other.swift (initial)
+// CHECK-THIRD: Queuing main.swift because of the initial set:
+// CHECK-THIRD-NEXT: other.swift provides top-level name 'a'
+