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Test aligment/padding for std::vector items #335

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35 changes: 35 additions & 0 deletions test/integration/std_vector.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,13 @@
includes = ["vector"]
definitions = """
/* The Foo struct has a size of 5 bytes, but requires
* 3 bytes of padding to keep the `int x;` aligned.
*/
struct Foo {
int x;
char y;
};
"""
[cases]
[cases.int_empty]
param_types = ["const std::vector<int>&"]
Expand Down Expand Up @@ -62,3 +71,29 @@ includes = ["vector"]
{"staticSize":4, "exclusiveSize":4},
{"staticSize":4, "exclusiveSize":4}
]}]'''
[cases.item_align]
oil_skip = true # https://github.com/facebookexperimental/object-introspection/issues/301
param_types = ["const std::vector<Foo>&"]
setup = """
return std::vector<Foo>{
{.x = 1,.y = 2},
{.x = 3,.y = 4},
{.x = 5,.y = 6},
};
"""
expect_json = """
[{
"staticSize":24,
"exclusiveSize":24,
"length":3,
"capacity":3,
"members":[
{"staticSize":8, "exclusiveSize":3, "members":[
{"name":"x", "staticSize":4, "exclusiveSize":4},
{"name":"y", "staticSize":1, "exclusiveSize":1}
]},
{"staticSize":8, "exclusiveSize":3},
{"staticSize":8, "exclusiveSize":3}
]
}]
"""