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[NFC][clang] Refactor no-stable-modtime.m test use split-file #159924

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Merged
yronglin merged 1 commit into from
Sep 20, 2025
+28 −17
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[NFC][clang] Refactor no-stable-modtime.m test use split-file #159924

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45 changes: 28 additions & 17 deletions clang/test/Modules/no-stale-modtime.m
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Original file line number Diff line number Diff line change
Expand Up @@ -3,33 +3,45 @@

// RUN: rm -rf %t
// RUN: mkdir -p %t
// This could be replaced by diamond_*, except we want to modify the top header
// RUN: echo '@import l; @import r;' > %t/b.h
// RUN: echo '@import t; // fromt l' > %t/l.h
// RUN: echo '@import t; // fromt r' > %t/r.h
// RUN: split-file %s %t

// RUN: echo '// top' > %t/t.h-1
// RUN: cat %t/t.h-1 > %t/t.h

// RUN: echo 'module b { header "b.h" } module l { header "l.h" }' > %t/module.modulemap-1
// RUN: echo 'module r { header "r.h" } module t { header "t.h" }' > %t/module.modulemap-2
// RUN: cat %t/module.modulemap-1 %t/module.modulemap-2 > %t/module.modulemap

// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \
// RUN: -I %t -fsyntax-only %s -Rmodule-build 2>&1 \
// RUN: | FileCheck -check-prefix=REBUILD-ALL %s
// RUN: -I %t -fsyntax-only %t/main.m -Rmodule-build 2>&1 \
// RUN: | FileCheck -check-prefix=REBUILD-ALL %t/main.m
// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \
// RUN: -I %t -fsyntax-only %s -Rmodule-build -verify
// RUN: -I %t -fsyntax-only %t/main.m -Rmodule-build -verify

// Add an identifier to ensure everything depending on t is out of date
// RUN: echo 'extern int a;' > %t/t.h-2
// RUN: cat %t/t.h-1 %t/t.h-2 > %t/t.h

// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \
// RUN: -I %t -fsyntax-only %s -Rmodule-build 2>&1 \
// RUN: | FileCheck -check-prefix=REBUILD-ALL %s
// RUN: -I %t -fsyntax-only %t/main.m -Rmodule-build 2>&1 \
// RUN: | FileCheck -check-prefix=REBUILD-ALL %t/main.m
// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \
// RUN: -I %t -fsyntax-only %s -Rmodule-build -verify
// RUN: -I %t -fsyntax-only %t/main.m -Rmodule-build -verify

//--- b.h
@import l; @import r;

//--- l.h
@import t; // fromt l

//--- r.h
@import t; // fromt r

//--- t.h-1
// top

//--- t.h-2
extern int a;

//--- module.modulemap
module b { header "b.h" } module l { header "l.h" }
module r { header "r.h" } module t { header "t.h" }

//--- main.m

// REBUILD-ALL: building module 'b'
// REBUILD-ALL: building module 'l'
Expand All @@ -38,5 +50,4 @@

// Use -verify when expecting no modules to be rebuilt.
// expected-no-diagnostics

@import b;