# This tests the functionality of using the --wrap option.
# The test case is extracted by compiling and linking the following code.
#
#cat > main.c << \!
#int main() {
#  foo();
#  return 0;
#}
#!
#
#cat > wrapfoo.c << \!
#int __wrap_foo() {
#  __real_foo();
#  return 0;
#}
#!
#
#cat > realfoo.c << \!
#int foo() {
#  return 0;
#}
#!
#
#clang main.c wrapfoo.c realfoo.c -Xlinker --wrap -Xlinker foo
#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.main.o
#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.wrapfoo.o
#RUN: yaml2obj -format=elf -docnum 3 %s -o %t.realfoo.o
#RUN: lld -flavor gnu -target x86_64 %t.main.o %t.wrapfoo.o %t.realfoo.o \
#RUN: --wrap foo --wrap foo --noinhibit-exec --output-filetype=yaml -o %t2.out
#RUN: lld -flavor gnu -target x86_64 %t.main.o %t.wrapfoo.o  \
#RUN: --wrap foo --wrap foo --noinhibit-exec --output-filetype=yaml -o %t2.out.undef 2>&1 |  \
#RUN: FileCheck %s -check-prefix=CHECKUNDEF
#CHECKWRAP:  - name:            main
#CHECKWRAP:    references:
#CHECKWRAP:      - kind:            R_X86_64_PC32
#CHECKWRAP:        target:          __wrap_foo
#CHECKWRAP:  - name:            __wrap_foo
#CHECKWRAP:    references:
#CHECKWRAP:      - kind:            R_X86_64_PC32
#CHECKWRAP:        target:          foo
#CHECKUNDEF: Undefined symbol: {{.*}}main.o: foo
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