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[stdlib] Add test for InlineArray (sizeof[T] by capacity). #4125

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[stdlib] Add test for InlineArray (sizeof[T] by capacity). #4125

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[stdlib] Add test for `InlineArray` (`sizeof[T]` by `capacity`).
rd4com Mar 8, 2025
db07f19
Implement review
rd4com Mar 8, 2025
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16 changes: 16 additions & 0 deletions mojo/stdlib/test/collections/test_inline_array.mojo
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ from memory import UnsafePointer
from memory.maybe_uninitialized import UnsafeMaybeUninitialized
from test_utils import DelRecorder
from testing import assert_equal, assert_false, assert_true
from sys.info import sizeof


def test_array_unsafe_get():
Expand Down Expand Up @@ -225,6 +226,20 @@ fn test_unsafe_ptr() raises:
assert_equal(arr[i], ptr[i])


def test_sizeof_array[current_type: CollectionElement, capacity: Int]():
"""Testing if `sizeof` the array equals capacity * `sizeof` current_type.

Parameters:
current_type: The type of the elements of the `InlineList`.
capacity: The capacity of the `InlineList`.
"""
alias size_of_current_type = sizeof[current_type]()
assert_equal(
sizeof[InlineArray[current_type, capacity]](),
capacity * size_of_current_type,
)


def main():
test_array_unsafe_get()
test_array_int()
Expand All @@ -234,3 +249,4 @@ def main():
test_array_contains()
test_inline_array_runs_destructors()
test_unsafe_ptr()
test_sizeof_array[Int, capacity=32]()