// Tests for clang-ssaf-linker file I/O error handling.

// RUN: rm -rf %t
// RUN: mkdir -p %t

// Malformed JSON input.
// RUN: not clang-ssaf-linker %S/Inputs/tu-malformed.json -o %t/out.json 2>&1 \
// RUN:   | FileCheck %s --match-full-lines --check-prefix=BAD-JSON
// BAD-JSON:      clang-ssaf-linker: error: reading TUSummary from file '{{.*}}tu-malformed.json'
// BAD-JSON-NEXT: {{.*}}: Invalid JSON value{{.*}}

// Missing required fields in otherwise valid JSON.
// RUN: not clang-ssaf-linker %S/Inputs/tu-missing-fields.json -o %t/out.json 2>&1 \
// RUN:        | FileCheck %s --match-full-lines --check-prefix=MISSING-FIELDS
// MISSING-FIELDS:      clang-ssaf-linker: error: reading TUSummary from file '{{.*}}tu-missing-fields.json'
// MISSING-FIELDS-NEXT: failed to read IdTable from field 'id_table': expected JSON array

// Output file already exists.
// RUN: touch %t/out.json
// RUN: not clang-ssaf-linker %S/Inputs/tu-empty.json -o %t/out.json 2>&1 \
// RUN:   | FileCheck %s --match-full-lines --check-prefix=OUTPUT-EXISTS
// OUTPUT-EXISTS: clang-ssaf-linker: error: failed to validate path '{{.*}}out.json': File already exists