Tests if breakpoint set is first breakable location Set breakpoint outside of any function: (0, 0). Setting breakpoint for id: 3 at 0, 0. No breakable location inside a function was found Set breakpoint adds a breakpoint at (4, 2). Set breakpoint at a breakable location: (4, 17). Setting breakpoint for id: 3 at 4, 17. Location match for (4, 17). Initial location is expected to be breakable: true. Set breakpoint at non-breakable location: (7, 0). Setting breakpoint for id: 3 at 7, 0. Location match for (7, 2). Initial location is expected to be breakable: false.