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[clang][DependencyScanning] Add Test Coverage of StabeDirs during By-Name Lookups #168143

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[clang][DependencyScanning] Add Test Coverage of StabeDirs during By-Name Lookups #168143

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6ee7595
Add test coverage for stable dir during by-name lookups.
qiongsiwu Nov 14, 2025
dfb1a77
Have an individual stable dir test.
qiongsiwu Nov 15, 2025
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43 changes: 43 additions & 0 deletions clang/test/ClangScanDeps/module-in-stable-dir-by-name.c
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// UNSUPPORTED: system-windows
// RUN: rm -rf %t
// RUN: split-file %s %t

// Verify the stable dir path.
//--- Sysroot/usr/include/SysA/module.modulemap
module SysA {
header "SysA.h"
}

//--- Sysroot/usr/include/SysA/SysA.h
int SysVal = 42;

//--- cdb.json.template
[{
"file": "",
"directory": "DIR",
"command": "clang -fmodules -fmodules-cache-path=DIR/cache -isysroot DIR/Sysroot -IDIR/Sysroot/usr/include -x c"
}]

// RUN: sed "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
// RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full -module-names=SysA > %t/result.json
// RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck -DPREFIX=%/t %s

// CHECK: {
// CHECK-NEXT: "modules": [
// CHECK-NEXT: {
// CHECK-NEXT: "is-in-stable-directories": true,
// CHECK-NEXT: "clang-module-deps": [],
// CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/Sysroot/usr/include/SysA/module.modulemap",
// CHECK-NEXT: "command-line": [
// CHECK: ],
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "file-deps": [
// CHECK-NEXT: "[[PREFIX]]/Sysroot/usr/include/SysA/module.modulemap",
// CHECK-NEXT: "[[PREFIX]]/Sysroot/usr/include/SysA/SysA.h"
// CHECK-NEXT: ],
// CHECK-NEXT: "link-libraries": [],
// CHECK-NEXT: "name": "SysA"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "translation-units": []
// CHECK-NEXT: }
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