rust/tests/rustdoc-gui/item-info.goml

// This test ensures a few things for item info elements.
go-to: "file://" + |DOC_PATH| + "/lib2/struct.Foo.html"
// Ensuring that the item information don't take 100% of the width if unnecessary.
// We set a fixed size so there is no chance of "random" resize.
set-window-size: (1100, 800)
// We check that ".item-info" is bigger than its content.
assert-size: (".item-info", {"width": 840})
assert-size: (".item-info .stab", {"width": 289})
assert-position: (".item-info .stab", {"x": 245})

// We check that the display of the feature elements is not broken. It serves as regression
// test for <https://github.com/rust-lang/rust/issues/118615>.
set-window-size: (850, 800)
store-position: (
    "//*[@class='stab portability']//code[text()='Win32_System']",
    {"x": first_line_x, "y": first_line_y},
)
store-position: (
    "//*[@class='stab portability']//code[text()='Win32_System_Diagnostics']",
    {"x": second_line_x, "y": second_line_y},
)
assert: |first_line_x| != |second_line_x| && |first_line_x| == 516 && |second_line_x| == 272
assert: |first_line_y| != |second_line_y| && |first_line_y| == 688 && |second_line_y| == 711

// Now we ensure that they're not rendered on the same line.
set-window-size: (1100, 800)
go-to: "file://" + |DOC_PATH| + "/lib2/trait.Trait.html"
// We first ensure that there are two item info on the trait.
assert-count: ("#main-content > .item-info .stab", 2)
// They should not have the same `y` position!
compare-elements-position-false: (
    "#main-content > .item-info .stab:nth-of-type(1)",
    "#main-content > .item-info .stab:nth-of-type(2)",
    ("y"),
)
// But they should have the same `x` position.
compare-elements-position: (
    "#main-content > .item-info .stab:nth-of-type(1)",
    "#main-content > .item-info .stab:nth-of-type(2)",
    ("x"),
)
// They are supposed to have the same height too.
compare-elements-css: (
    "#main-content > .item-info .stab:nth-of-type(1)",
    "#main-content > .item-info .stab:nth-of-type(2)",
    ["height"],
)