TEST: Add integration_tests for named args

Author: ubaidsk

integration_tests/CMakeLists.txt

@@ -478,6 +478,8 @@ RUN(NAME structs_20          LABELS cpython llvm c
     EXTRAFILES structs_20b.c)
 RUN(NAME structs_21          LABELS cpython llvm c)
 RUN(NAME structs_22          LABELS cpython llvm c)
+RUN(NAME structs_23          LABELS cpython llvm c)
+RUN(NAME structs_24          LABELS cpython llvm c)
 RUN(NAME sizeof_01           LABELS llvm c
         EXTRAFILES sizeof_01b.c)
 RUN(NAME sizeof_02           LABELS cpython llvm c)

integration_tests/structs_23.py

@@ -0,0 +1,30 @@
+from lpython import dataclass, i32, u64, f64
+
+@dataclass
+class A:
+    a: i32
+    b: i32
+
+@dataclass
+class B:
+    a: u64
+    b: f64
+
+def main0():
+    s: A = A(b=-24, a=6)
+    print(s.a)
+    print(s.b)
+
+    assert s.a == 6
+    assert s.b == -24
+
+def main1():
+    s: B = B(u64(22), b=3.14)
+    print(s.a)
+    print(s.b)
+
+    assert s.a == u64(22)
+    assert abs(s.b - 3.14) <= 1e-12
+
+main0()
+main1()

integration_tests/structs_24.py

@@ -0,0 +1,18 @@
+from lpython import dataclass, i32, f64, u64
+from numpy import array
+
+@dataclass
+class Foo:
+    x: i32
+    y: i32
+
+def main0() -> None:
+    foos: Foo[2] = array([Foo(y=2, x=1), Foo(x=3, y=4)])
+    print(foos[0].x, foos[0].y, foos[1].x, foos[1].y)
+
+    assert foos[0].x == 1
+    assert foos[0].y == 2
+    assert foos[1].x == 3
+    assert foos[1].y == 4
+
+main0()