const std = @import("std");

pub const lexical_grammar = @import("lexical_grammar.zig");
pub const ast = @import("ast.zig");

test "simple literal" {
    comptime {
        _ = try ast.Program.parse("42;");
    }
}

test "variable declaration" {
    comptime {
        _ = try ast.Program.parse("var x = 1;");
    }
}

test "function declaration" {
    comptime {
        _ = try ast.Program.parse("function foo() { return 1; }");
    }
}

test "if statement" {
    comptime {
        _ = try ast.Program.parse("if (x > 0) { x = 1; } else { x = 2; }");
    }
}

test "binary expression" {
    comptime {
        _ = try ast.Program.parse("a + b * c;");
    }
}

test "arrow function" {
    comptime {
        _ = try ast.Program.parse("const f = (x) => x + 1;");
    }
}

test "class declaration" {
    comptime {
        _ = try ast.Program.parse("class Foo { constructor() { } }");
    }
}

test "for loop" {
    comptime {
        _ = try ast.Program.parse("for (var i = 0; i < 10; i++) { break; }");
    }
}

test "try catch" {
    comptime {
        _ = try ast.Program.parse("try { x; } catch (e) { y; }");
    }
}

test "multiple statements" {
    comptime {
        _ = try ast.Program.parse("var a = 1; var b = 2; var c = a + b;");
    }
}

test "comprehensive fixture" {
    comptime {
        _ = try ast.Program.parse(@embedFile("test_fixture.js"));
    }
}

test "format fixture" {
    comptime {
        var buf: [65536]u8 = undefined;
        const ast1 = try ast.Program.parse(@embedFile("test_fixture.js"));
        var f = ast.Formatter{ .buf = buf[0..], .pos = 0, .indent_level = 0, .options = .{} };
        ast1.fmt(&f);
        const formatted = buf[0..f.pos];
        try std.testing.expect(formatted.len > 0);
    }
}

test {
    _ = std.testing.refAllDecls(@This());
}