Fix failing tests with exit code -1

[ghost]

OS: Windows 11
IDE: IntelliJ Idea
Dart SDK: '>=2.17.6 <3.0.0'
Dependencies:

#dependencies:
dev_dependencies:
  glados: ^1.1.3
  lints: ^2.0.0
  test: ^1.16.0

I've been practicing property-based testing with this library and I've run into a few instances of tests taking a very long time to run and eventually failing with exit code -1.

Here is an implementation of division where I purposefully return multiplication to test division's properties:

double div(double num1, double num2) => num1 * num2;

and my only test is:

Glados<double>().test('div', (num1) => expect(div(num1, num1), 1));

I initially thought that the test was hanging but it actually took 6 minutes to run and eventually failed without telling me on what values. It works fine when I change num1 * num2 to num1 / num2 so I believe the issue has something to do with glados' shrinking in regards to doubles since the following code failed quickly without issues:

double div(int num1, int num2) => (num1 * num2).toDouble();

Glados<int>().test('div2', (num1) => expect(div(num1, num1), 1));

[MarcelGarus]

Indeed, this was an error in the shrinking of doubles. In particular, it seems like the shrinking just generated a huuuuge amount of values (which, admittedly, were all smaller than the original).

I simplified the shrinking code to turn 3.2 -> 2.2 etc. (so, move numbers one closer to zero) and after that's not working, round values to some decimal places.

Your test case (which I also added as a regression test) seems to be fixed by that.

The new version is published as 1.1.4.