zig/test/incremental/change_embed_file

#target=x86_64-linux-selfhosted
#target=x86_64-windows-selfhosted
#target=x86_64-linux-cbe
#target=x86_64-windows-cbe
#target=wasm32-wasi-selfhosted
#update=initial version
#file=main.zig
const std = @import("std");
const string = @embedFile("string.txt");
pub fn main() !void {
    try std.Io.File.stdout().writeStreamingAll(io, string);
}
const io = std.Io.Threaded.global_single_threaded.ioBasic();
#file=string.txt
Hello, World!
#expect_stdout="Hello, World!\n"

#update=change file contents
#file=string.txt
Hello again, World!
#expect_stdout="Hello again, World!\n"

#update=delete file
#rm_file=string.txt
#expect_error=main.zig:2:27: error: unable to open 'string.txt': FileNotFound

#update=remove reference to file
#file=main.zig
const std = @import("std");
const string = @embedFile("string.txt");
pub fn main() !void {
    try std.Io.File.stdout().writeStreamingAll(io, "a hardcoded string\n");
}
const io = std.Io.Threaded.global_single_threaded.ioBasic();
#expect_stdout="a hardcoded string\n"

#update=re-introduce reference to file
#file=main.zig
const std = @import("std");
const string = @embedFile("string.txt");
pub fn main() !void {
    try std.Io.File.stdout().writeStreamingAll(io, string);
}
const io = std.Io.Threaded.global_single_threaded.ioBasic();
#expect_error=main.zig:2:27: error: unable to open 'string.txt': FileNotFound

#update=recreate file
#file=string.txt
We're back, World!
#expect_stdout="We're back, World!\n"