TEST: Add test for array.size

Author: ubaidsk

integration_tests/CMakeLists.txt

@@ -280,6 +280,7 @@ RUN(NAME variable_decl_02         LABELS cpython llvm c)
 RUN(NAME variable_decl_03         LABELS cpython llvm c)
 RUN(NAME array_expr_01            LABELS cpython llvm c)
 RUN(NAME array_expr_02            LABELS cpython llvm c)
+RUN(NAME array_size_01            LABELS cpython llvm c)
 RUN(NAME array_01            LABELS cpython llvm wasm c)
 RUN(NAME array_02            LABELS cpython wasm c)
 RUN(NAME bindc_01            LABELS cpython llvm c)

integration_tests/array_size_01.py

@@ -0,0 +1,23 @@
+from lpython import i32, f64, c32, c64
+from numpy import empty
+
+def main0():
+    x: i32[4, 5, 2] = empty([4, 5, 2])
+    y: f64[24, 100, 2, 5] = empty([24, 100, 2, 5])
+    print(x.size)
+    print(y.size)
+
+    assert x.size == 40
+    assert y.size == 24000
+
+def main1():
+    a: c32[12] = empty([12])
+    b: c64[15, 15, 10] = empty([15, 15, 10])
+    print(a.size)
+    print(b.size)
+
+    assert a.size == 12
+    assert b.size == 2250
+
+main0()
+main1()