1 files changed, 30 insertions, 0 deletions
diff --git a/Tests/RunCMake/Swift/CompileCommands-check.cmake b/Tests/RunCMake/Swift/CompileCommands-check.cmake
new file mode 100644
index 0000000..6450745
--- /dev/null
+++ b/Tests/RunCMake/Swift/CompileCommands-check.cmake
@@ -0,0 +1,30 @@
+if(NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/compile_commands.json")
+  set(RunCMake_TEST_FAILED "compile_commands.json not generated")
+  return()
+endif()
+
+# The compile command for both files should contain all Swift source files in
+# the module
+set(expected_compile_commands
+[==[^\[
+{
+  "directory": ".*(/Tests/RunCMake/Swift/CompileCommands-build|\\\\Tests\\\\RunCMake\\\\Swift\\\\CompileCommands-build)",
+  "command": ".*swiftc .* (\\")?.*(/Tests/RunCMake/Swift/E.swift|\\\\Tests\\\\RunCMake\\\\Swift\\\\E.swift)(\\")? (\\")?.*(/Tests/RunCMake/Swift/L.swift|\\\\Tests\\\\RunCMake\\\\Swift\\\\L.swift)(\\")?",
+  "file": ".*(/Tests/RunCMake/Swift/E.swift|\\\\Tests\\\\RunCMake\\\\Swift\\\\E.swift)",
+  "output": "CMakeFiles/CompileCommandLib.dir/E.swift.o|CMakeFiles\\\\CompileCommandLib.dir\\\\E.swift.obj"
+},
+{
+  "directory": ".*(/Tests/RunCMake/Swift/CompileCommands-build|\\\\Tests\\\\RunCMake\\\\Swift\\\\CompileCommands-build)",
+  "command": ".*swiftc .* (\\")?.*(/Tests/RunCMake/Swift/E.swift|\\\\Tests\\\\RunCMake\\\\Swift\\\\E.swift)(\\")? (\\")?.*(/Tests/RunCMake/Swift/L.swift|\\\\Tests\\\\RunCMake\\\\Swift\\\\L.swift)(\\")?",
+  "file": ".*/Tests/RunCMake/Swift/L.swift",
+  "output": "CMakeFiles/CompileCommandLib.dir/L.swift.o|CMakeFiles\\\\CompileCommandLib.dir\\\\L.swift.obj"
+}
+]$]==]
+)
+
+file(READ "${RunCMake_TEST_BINARY_DIR}/compile_commands.json" compile_commands)
+if(NOT compile_commands MATCHES "${expected_compile_commands}")
+  string(REPLACE "\n" "\n  " expected_compile_commands_formatted "${expected_compile_commands}")
+  string(REPLACE "\n" "\n  " compile_commands_formatted "${compile_commands}")
+  string(APPEND RunCMake_TEST_FAILED "Expected compile_commands.json to match:\n  ${expected_compile_commands_formatted}\nActual compile_commands.json:\n  ${compile_commands_formatted}\n")
+endif()