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var assert = require("test/assert");
var fs = require("file");
/* a decorator that passes a path object corresponding
to the test name and removes any files created
therein afterward */
var Test = function (block) {
var args = arguments;
var exported = function () {
for (var name in exports) {
if (exports[name] === exported) {
try {
var path = fs.path(
fs.resolve(module.path, '.'),
name
);
block(path);
} finally {
if (path.exists())
path.rmtree();
}
}
}
};
return exported;
};
exports.testPrintReadLine = Test(function (path) {
var stream = path.open('w');
stream.print('hello');
stream.print('world');
stream.close();
stream = path.open('r');
assert.is('hello\n', stream.readLine());
assert.is('world\n', stream.readLine());
assert.is('', stream.readLine());
});
exports.testPrintReadLineChain = Test(function (path) {
var stream = path.open('w');
stream.print('hello').print('world');
stream.close();
stream = path.open('r');
assert.is('hello\n', stream.readLine());
assert.is('world\n', stream.readLine());
assert.is('', stream.readLine());
});
exports.testReadLines = Test(function (path) {
var stream = path.open('w');
stream.print('hello').print('world');
stream.close();
stream = path.open('r');
assert.eq(['hello\n', 'world\n'], stream.readLines());
});
exports.testForEach = Test(function (path) {
var output = path.open('w');
var input = path.open('r');
output.print('1');
output.print('1');
var count = 0;
input.forEach(function (line) {
assert.eq('1', line);
count++;
});
assert.eq(2, count);
output.print('2').print('2');
input.forEach(function (line) {
assert.eq('2', line);
count++;
});
assert.eq(4, count);
output.close();
input.close();
});
exports.testNext = Test(function (path) {
path.open('w').print('1').print('2').close();
var iterator = path.open();
assert.is('1', iterator.next());
assert.is('2', iterator.next());
assert.throwsError(function () {
iterator.next();
});
});
exports.testIterator = Test(function (path) {
path.open('w').print('1').print('2').close();
var iterator = path.open().iterator();
assert.is('1', iterator.next());
assert.is('2', iterator.next());
assert.throwsError(function () {
iterator.next();
});
});
if (require.main === module.id)
require("os").exit(require("test/runner").run(exports));
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