73 lines
2.0 KiB
Rust
73 lines
2.0 KiB
Rust
//! Module containing unit tests.
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#![cfg(test)]
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/// This test is to make sure no code changes increase the sizes of critical data structures.
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#[test]
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fn check_struct_sizes() {
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use crate::*;
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use std::mem::size_of;
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const IS_32_BIT: bool = cfg!(target_pointer_width = "32");
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const PACKED: bool = cfg!(all(
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target_pointer_width = "32",
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feature = "only_i32",
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any(feature = "no_float", feature = "f32_float")
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));
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const WORD_SIZE: usize = size_of::<usize>();
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assert_eq!(size_of::<Dynamic>(), if PACKED { 8 } else { 16 });
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assert_eq!(size_of::<Option<Dynamic>>(), if PACKED { 8 } else { 16 });
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assert_eq!(
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size_of::<Position>(),
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if cfg!(feature = "no_position") { 0 } else { 4 }
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);
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assert_eq!(size_of::<tokenizer::Token>(), 2 * WORD_SIZE);
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assert_eq!(size_of::<ast::Expr>(), if PACKED { 12 } else { 16 });
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assert_eq!(size_of::<Option<ast::Expr>>(), if PACKED { 12 } else { 16 });
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assert_eq!(size_of::<ast::Stmt>(), if IS_32_BIT { 12 } else { 16 });
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assert_eq!(
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size_of::<Option<ast::Stmt>>(),
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if IS_32_BIT { 12 } else { 16 }
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);
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#[cfg(feature = "internals")]
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{
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assert_eq!(size_of::<CallableFunction>(), 3 * WORD_SIZE);
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assert_eq!(size_of::<module::FuncInfo>(), 4 * WORD_SIZE);
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}
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// The following only on 64-bit platforms
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if !cfg!(target_pointer_width = "64") {
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return;
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}
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assert_eq!(size_of::<Scope>(), 536);
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assert_eq!(
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size_of::<FnPtr>(),
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80 - if cfg!(feature = "no_function") {
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WORD_SIZE
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} else {
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0
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}
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);
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assert_eq!(size_of::<LexError>(), 56);
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assert_eq!(
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size_of::<ParseError>(),
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16 - if cfg!(feature = "no_position") {
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WORD_SIZE
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} else {
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0
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}
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);
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assert_eq!(size_of::<EvalAltResult>(), 64);
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assert_eq!(
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size_of::<NativeCallContext>(),
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56 - if cfg!(feature = "no_position") {
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WORD_SIZE
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} else {
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0
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}
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);
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}
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