google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409: code.Code_FAILED_PRECONDITION

Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION in pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409
Demonstrate these symbols/APIs:
  - google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.

{"case":{"caseId":"case:sha256:06a95c546bfb70813f9443e0c17c3532e699978fe329200e7c495f5d5e7b7d42","contract":["code.Code_FAILED_PRECONDITION has numeric enum value 9","code.Code_FAILED_PRECONDITION is of type code.Code","code.Code_FAILED_PRECONDITION String() equals \"FAILED_PRECONDITION\"","code.Code_name maps int32(9) to \"FAILED_PRECONDITION\"","code.Code_value maps \"FAILED_PRECONDITION\" to int32(9)","IsFailedPrecondition discriminates Code_FAILED_PRECONDITION from other codes"],"goal":"verify google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION in pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409","kind":"HOW","packages":["pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409"],"schemaVersion":1,"symbols":["google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION"]},"contractCommand":["go","run","./test"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"golang","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"go","schemaVersion":1},"license":"MIT-0","packages":["pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409"],"schemaVersion":1,"subject":"pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409","symbols":["google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION"],"verifierAdapter":"golang@1"}

package sample

import (
	"google.golang.org/genproto/googleapis/rpc/code"
)

// FailedPreconditionCode returns the Code_FAILED_PRECONDITION enum value.
func FailedPreconditionCode() code.Code {
	return code.Code_FAILED_PRECONDITION
}

// IsFailedPrecondition checks if the given code is Code_FAILED_PRECONDITION.
func IsFailedPrecondition(c code.Code) bool {
	return c == code.Code_FAILED_PRECONDITION
}

// PreconditionErrorCodeName returns the canonical name string for Code_FAILED_PRECONDITION.
func PreconditionErrorCodeName() string {
	return code.Code_name[int32(code.Code_FAILED_PRECONDITION)]
}

// PreconditionErrorCodeValue returns the enum value for "FAILED_PRECONDITION".
func PreconditionErrorCodeValue() int32 {
	return code.Code_value["FAILED_PRECONDITION"]
}

module sample

go 1.26.6

require google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409

require google.golang.org/protobuf v1.36.11 // indirect

github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 h1:H86B94AW+VfJWDqFeEbBPhEtHzJwJfTbgE2lZa54ZAQ=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=

{
  "schemaVersion": 1,
  "goal": "verify google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION in pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409",
  "kind": "HOW",
  "packages": [
    "pkg:golang/google.golang.org/genproto/googleapis/rpc@v0.0.0-20260128011058-8636f8732409"
  ],
  "symbols": [
    "google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION"
  ]
}

package main

import (
	"fmt"
	"os"

	"google.golang.org/genproto/googleapis/rpc/code"
	"sample"
)

func main() {
	// Assertion 1: code.Code_FAILED_PRECONDITION has numeric value 9
	if int32(code.Code_FAILED_PRECONDITION) != 9 {
		fmt.Fprintf(os.Stderr, "expected code.Code_FAILED_PRECONDITION numeric value 9, got %d\n", int32(code.Code_FAILED_PRECONDITION))
		os.Exit(1)
	}

	// Assertion 2: code.Code_FAILED_PRECONDITION is of type code.Code
	var c code.Code = code.Code_FAILED_PRECONDITION
	if c != sample.FailedPreconditionCode() {
		fmt.Fprintf(os.Stderr, "expected sample.FailedPreconditionCode() to equal code.Code_FAILED_PRECONDITION\n")
		os.Exit(1)
	}

	// Assertion 3: code.Code_FAILED_PRECONDITION String() representation is "FAILED_PRECONDITION"
	if code.Code_FAILED_PRECONDITION.String() != "FAILED_PRECONDITION" {
		fmt.Fprintf(os.Stderr, "expected String() 'FAILED_PRECONDITION', got %q\n", code.Code_FAILED_PRECONDITION.String())
		os.Exit(1)
	}

	// Assertion 4: code.Code_name maps int32(9) to "FAILED_PRECONDITION"
	if name := sample.PreconditionErrorCodeName(); name != "FAILED_PRECONDITION" {
		fmt.Fprintf(os.Stderr, "expected PreconditionErrorCodeName to be 'FAILED_PRECONDITION', got %q\n", name)
		os.Exit(1)
	}

	// Assertion 5: code.Code_value maps "FAILED_PRECONDITION" to int32(9)
	if val := sample.PreconditionErrorCodeValue(); val != 9 {
		fmt.Fprintf(os.Stderr, "expected PreconditionErrorCodeValue to be 9, got %d\n", val)
		os.Exit(1)
	}

	// Assertion 6: Helper function IsFailedPrecondition correctly discriminates
	if !sample.IsFailedPrecondition(code.Code_FAILED_PRECONDITION) {
		fmt.Fprintf(os.Stderr, "expected sample.IsFailedPrecondition(code.Code_FAILED_PRECONDITION) to be true\n")
		os.Exit(1)
	}
	if sample.IsFailedPrecondition(code.Code_OK) {
		fmt.Fprintf(os.Stderr, "expected sample.IsFailedPrecondition(code.Code_OK) to be false\n")
		os.Exit(1)
	}

	fmt.Println("All google.golang.org/genproto/googleapis/rpc/code.Code_FAILED_PRECONDITION contract assertions passed.")
}