# RUN: yaml2obj %s -o %t1.o

# RUN: yaml2obj %S/Inputs/use-feature-foo.yaml -o %t.used.o
# RUN: wasm-ld --no-entry -o - %t1.o %t.used.o | obj2yaml | FileCheck %s --check-prefix USED

# RUN: yaml2obj %S/Inputs/require-feature-foo.yaml -o %t.required.o
# RUN: wasm-ld --no-entry -o - %t1.o %t.required.o | obj2yaml | FileCheck %s --check-prefix REQUIRED

# RUN: yaml2obj %S/Inputs/disallow-feature-foo.yaml -o %t.disallowed.o
# RUN: not wasm-ld --no-entry -o - %t1.o %t.disallowed.o 2>&1 | FileCheck %s --check-prefix DISALLOWED

# RUN: yaml2obj %S/Inputs/no-feature-foo.yaml -o %t.none.o
# RUN: wasm-ld --no-entry -o - %t1.o %t.none.o | obj2yaml | FileCheck %s --check-prefix NONE

# Check that the following combinations of feature linkage policies
# give the expected results:
#
#     USED x USED => USED
#     USED x REQUIRED => USED
#     USED x DISALLOWED => Error
#     USED x NONE => USED

--- !WASM
FileHeader:
  Version:         0x00000001
Sections:
  - Type:            CUSTOM
    Name:            linking
    Version:         2
  - Type:            CUSTOM
    Name:            target_features
    Features:
      - Prefix:        USED
        Name:          "foo"
...

# USED:        - Type:            CUSTOM
# USED-NEXT:     Name:            target_features
# USED-NEXT:     Features:
# USED-NEXT:       - Prefix:          USED
# USED-NEXT:         Name:            foo
# USED-NEXT: ...

# REQUIRED:        - Type:            CUSTOM
# REQUIRED-NEXT:     Name:            target_features
# REQUIRED-NEXT:     Features:
# REQUIRED-NEXT:       - Prefix:          USED
# REQUIRED-NEXT:         Name:            foo
# REQUIRED-NEXT: ...

# DISALLOWED: Target feature "foo" is disallowed

# NONE:        - Type:            CUSTOM
# NONE-NEXT:     Name:            target_features
# NONE-NEXT:     Features:
# NONE-NEXT:       - Prefix:          USED
# NONE-NEXT:         Name:            foo
# NONE-NEXT: ...