/*

	9unit
	Copyright (C) Jonathan Lamothe <jonathan@jlamothe.net>

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as
	published by the Free Software Foundation, either version 3 of the
	License, or (at your option) any later version.

	This program is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this program.  If not, see
	<http://www.gnu.org/licenses/>.

*/

#include <u.h>
#include <libc.h>

#include "../9unit.h"
#include "util.h"
#include "test-context.h"

// Local Types

typedef struct ContextData ContextData;

struct ContextData
{
	TestState state;
	const char *initial_context;
	const char *initial_full_context;
	int initial_depth;
	const char *new_context;
	const char *sub_context;
	const char *sub_full_context;
	int sub_depth;
	const char *expected_sub_full_context;
	int expected_sub_depth;
};

// Local Prototypes

static void no_prior_context(TestState *);
static void init_ContextData(ContextData *);
static void run_test_context(ContextData *);
static void get_context(TestState *);
static void check_results(TestState *, ContextData *);
static void check_sub_context(TestState *);
static void clean_up(ContextData *);

// Public Functions

void
test_test_context(TestState *s)
{
	test_context(s, "no prior context", no_prior_context);
}

// Local Functions

static void
no_prior_context(TestState *s)
{
	// set initial state
	ContextData cd;
	cd.new_context = "my test";
	cd.initial_context = 0;
	cd.initial_full_context = 0;
	cd.initial_depth = 0;
	init_ContextData(&cd);

	run_test_context(&cd);
	cd.expected_sub_full_context = "my test";
	cd.expected_sub_depth = 1;
	check_results(s, &cd);
	clean_up(&cd);
}

static void
init_ContextData(ContextData *cd)
{
	mk_sample_state(&cd->state);
	cd->state.context = cd->initial_context;
	cd->state.full_context = cd->initial_full_context;
	cd->state.depth = cd->initial_depth;
}

static void
run_test_context(ContextData *cd)
{
	void *old_ptr = cd->state.ptr;
	cd->state.ptr = cd;
	test_context(&cd->state, cd->new_context, get_context);
	cd->state.ptr = old_ptr;
}

static void
get_context(TestState *s)
{
	ContextData *cd = s->ptr;

	// get the context
	if (s->context)
	{
		char *c = malloc(strlen(s->context) + 1);
		strcpy(c, s->context);
		cd->sub_context = c;
	}
	else cd->sub_context = 0;

	// get the full context
	if (s->full_context)
	{
		char *fc = malloc(strlen(s->full_context) + 1);
		strcpy(fc, s->full_context);
		cd->sub_full_context = fc;
	}
	else cd->sub_full_context = 0;

	// get the depth
	cd->sub_depth = s->depth;
}

static void
check_results(TestState *s, ContextData *cd)
{
	void *old_ptr = s->ptr;
	s->ptr = cd;
	test_context(s, "sub context", check_sub_context);
	s->ptr = old_ptr;
}

static void
check_sub_context(TestState *s)
{
	ContextData *cd = s->ptr;
}

static void
clean_up(ContextData *cd)
{
}

//jl