//go:build zos && s390x

// Many of the following syscalls are not available on all versions of z/OS.
// Some missing calls have legacy implementations/simulations but others
// will be missing completely. To achieve consistent failing behaviour on
// legacy systems, we first test the function pointer via a safeloading
// mechanism to see if the function exists on a given system. Then execution

	// same spot in sym.P), number of external _host_ relocations needed (i.e.
	// ELF/Mach-O/etc. relocations, not Go relocations, this must match ELF.Reloc1,
	// etc.), and a boolean indicating success/failure (a failing value indicates
	// a fatal error).
	Archreloc func(*Target, *loader.Loader, *ArchSyms, loader.Reloc, loader.Sym,
		int64) (relocatedOffset int64, nExtReloc int, ok bool)

		// requests at once, they can all pick the same conn
		// and violate the server's max concurrent streams.
		// Instead, match the HTTP/1 behavior for now and dial
		// again to get a new TCP connection, rather than failing
		// this request.
		return true
	}
	if err == errMissingHost {
		// User error.
		return false
	}
	if !pc.isReused() {
		// This was a fresh connection. There's no reason the server

		case !gotParent && wantParent:
			t.Errorf("%v: no parent found", ident)
		}
	}
}

// TestFailedImport tests that we don't get follow-on errors
// elsewhere in a package due to failing to import a package.
func TestFailedImport(t *testing.T) {
	testenv.MustHaveGoBuild(t)

	const src = `
package p

		case !gotParent && wantParent:
			t.Errorf("%v: no parent found", ident)
		}
	}
}

// TestFailedImport tests that we don't get follow-on errors
// elsewhere in a package due to failing to import a package.
func TestFailedImport(t *testing.T) {
	testenv.MustHaveGoBuild(t)

	const src = `
package p