shithub: mc

ref: 3450935eec9aa87ac23f8b6524a2c9a873105041
dir: /lib/std/test/strfind.myr/

use std
use testr

const main = {
	testr.run([
		[.name="forward-head-1c", .fn={ctx; fwdfindat(ctx, 0, "abc", "a")}],
		[.name="forward-head-2c", .fn={ctx; fwdfindat(ctx, 0, "abc", "ab")}],
		[.name="forward-fullmatch", .fn={ctx; fwdfindat(ctx, 1, "abc", "bc")}],
		[.name="forward-dup-1c", .fn={ctx; fwdfindat(ctx, 0, "abcabc", "a")}],
		[.name="forward-dup-2c", .fn={ctx; fwdfindat(ctx, 0, "abcabc", "ab")}],
		[.name="reverse-head-1c", .fn={ctx; revfindat(ctx, 0, "abc", "a")}],
		[.name="reverse-head-2c", .fn={ctx; revfindat(ctx, 0, "abc", "ab")}],
		[.name="reverse-fullmatch", .fn={ctx; revfindat(ctx, 1, "abc", "bc")}],
		[.name="reverse-dup-1c", .fn={ctx; revfindat(ctx, 3, "abcabc", "a")}],
		[.name="reverse-dup-2c", .fn={ctx; revfindat(ctx, 3, "abcabc", "ab")}],
		[.name="long-needle", .fn={ctx
			match std.strfind("ab", "abcabc")
			| `std.Some _:	testr.fail(ctx, "found something we shouldn't")
			| `std.None:	testr.ok(ctx)
			;;
		}],
		[.name="fail-find", .fn={ctx
			match std.strfind("abcabc", "abd")
			| `std.Some _:	testr.fail(ctx, "found something we shouldn't")
			| `std.None:	testr.ok(ctx)
			;;
		}],
	][:])
}

const fwdfindat = {ctx, idx, h, n
	match std.strfind(h, n)
	| `std.Some i:
		if i == idx
			testr.ok(ctx)
		else
			testr.fail(ctx, "wrong location {} != {} ('{}' in '{}')", i, idx, n, h)
		;;
	| `std.None:
		testr.fail(ctx, "'{}' not in '{}'\n",  n, h)
	;;
}

const revfindat = {ctx, idx, h, n
	match std.strrfind(h, n)
	| `std.Some i:
		if i == idx
			testr.ok(ctx)
		else
			testr.fail(ctx, "wrong location {} != {} ('{}' in '{}')", i, idx, n, h)
		;;
	| `std.None:
		testr.fail(ctx, "'{}' not in '{}'\n",  n, h)
	;;
}