Files
metabuilder/libraries/mojo/compiler/tests/test_structs.mojo
2026-03-09 22:30:41 +00:00

135 lines
3.1 KiB
Mojo

#!/usr/bin/env mojo
# ===----------------------------------------------------------------------=== #
# Copyright (c) 2025, Modular Inc. All rights reserved.
#
# Licensed under the Apache License v2.0 with LLVM Exceptions:
# https://llvm.org/LICENSE.txt
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ===----------------------------------------------------------------------=== #
"""Test struct parsing (Phase 2)."""
from src.frontend.parser import Parser
fn test_simple_struct():
"""Test simple struct definition."""
print("Testing simple struct...")
let source = """
struct Point:
var x: Int
var y: Int
"""
var parser = Parser(source)
_ = parser.parse()
print("✓ Simple struct parsed successfully")
print()
fn test_struct_with_methods():
"""Test struct with methods."""
print("Testing struct with methods...")
let source = """
struct Rectangle:
var width: Int
var height: Int
fn area(self) -> Int:
return self.width * self.height
fn perimeter(self) -> Int:
return 2 * (self.width + self.height)
"""
var parser = Parser(source)
_ = parser.parse()
print("✓ Struct with methods parsed successfully")
print()
fn test_struct_with_init():
"""Test struct with __init__ method."""
print("Testing struct with __init__...")
let source = """
struct Vector:
var x: Float
var y: Float
var z: Float
fn __init__(inout self, x: Float, y: Float, z: Float):
self.x = x
self.y = y
self.z = z
fn magnitude(self) -> Float:
return sqrt(self.x * self.x + self.y * self.y + self.z * self.z)
"""
var parser = Parser(source)
_ = parser.parse()
print("✓ Struct with __init__ parsed successfully")
print()
fn test_struct_with_default_values():
"""Test struct with default field values."""
print("Testing struct with default values...")
let source = """
struct Config:
var name: String = "default"
var count: Int = 0
var enabled: Bool = True
"""
var parser = Parser(source)
_ = parser.parse()
print("✓ Struct with default values parsed successfully")
print()
fn test_nested_struct_types():
"""Test struct with field types that are other structs."""
print("Testing nested struct types...")
let source = """
struct Inner:
var value: Int
struct Outer:
var inner: Inner
var count: Int
"""
var parser = Parser(source)
_ = parser.parse()
print("✓ Nested struct types parsed successfully")
print()
fn main():
print("=== Mojo Compiler Phase 2 - Struct Parsing Tests ===")
print()
test_simple_struct()
test_struct_with_methods()
test_struct_with_init()
test_struct_with_default_values()
test_nested_struct_types()
print("=== All struct parsing tests passed! ===")