zig/test/link/wasm/producers/build.zig

const std = @import("std");
const builtin = @import("builtin");

pub fn build(b: *std.Build) void {
    const test_step = b.step("test", "Test");
    test_step.dependOn(b.getInstallStep());

    const lib = b.addSharedLibrary(.{
        .name = "lib",
        .root_source_file = .{ .path = "lib.zig" },
        .target = .{ .cpu_arch = .wasm32, .os_tag = .freestanding },
        .optimize = b.standardOptimizeOption(.{}),
    });
    lib.use_llvm = false;
    lib.use_lld = false;
    lib.strip = false;
    lib.install();

    const zig_version = builtin.zig_version;
    var version_buf: [100]u8 = undefined;
    const version_fmt = std.fmt.bufPrint(&version_buf, "version {}", .{zig_version}) catch unreachable;

    const check_lib = lib.checkObject(.wasm);
    check_lib.checkStart("name producers");
    check_lib.checkNext("fields 2");
    check_lib.checkNext("field_name language");
    check_lib.checkNext("values 1");
    check_lib.checkNext("value_name Zig");
    check_lib.checkNext(version_fmt);
    check_lib.checkNext("field_name processed-by");
    check_lib.checkNext("values 1");
    check_lib.checkNext("value_name Zig");
    check_lib.checkNext(version_fmt);

    test_step.dependOn(&check_lib.step);
}