# RUN: echo -n AAAB > %t.diff
# RUN: echo -n AAA > %t.smaller
# RUN: echo -n AAAAAAAAA > %t.larger

# RUN: yaml2obj --docnum=1 %s -o %t

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.diff %t - | obj2yaml | FileCheck %s
# CHECK: content: '41414142'

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.smaller %t - | obj2yaml | FileCheck %s --check-prefix=SMALLER
# SMALLER: content: '414141'

# RUN: not llvm-objcopy --update-section __TEXT,__text=%t.larger %t /dev/null 2>&1 | FileCheck %s --check-prefix=TOO-LARGE
# TOO-LARGE: error: {{.*}}new section cannot be larger than previous section

# RUN: not llvm-objcopy --update-section __TEXT,__text=%t.noexist %t /dev/null

# RUN: not llvm-objcopy --update-section __NOEXIST,__text=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NO-SEGMENT
# NO-SEGMENT: error: {{.*}}could not find segment with name '__NOEXIST'

# RUN: not llvm-objcopy --update-section __TEXT,__noexist=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NO-SECTION
# NO-SECTION: error: {{.*}}could not find section with name '__noexist'

# RUN: yaml2obj --docnum=2 %s -o %t

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.diff %t - | obj2yaml | FileCheck %s --check-prefix=FULL-SECNAME
# FULL-SECNAME: content: '41414142'

# RUN: not llvm-objcopy --update-section __text=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NON-CANONICAL-SECNAME
# NON-CANONICAL-SECNAME: error: {{.*}}invalid section name '__text' (should be formatted as '<segment name>,<section name>')

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FileHeader:
  magic:           0xFEEDFACF
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LoadCommands:
  - cmd:             LC_SEGMENT_64
    cmdsize:         152
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    Sections:
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        segname:         __TEXT
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--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x01000007
  cpusubtype:      0x00000003
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  ncmds:           1
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LoadCommands:
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    cmdsize:         312
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    flags:           0
    Sections:
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        segname:         __TEXT
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      - sectname:        __text
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