63 lines
1.5 KiB
Rust
63 lines
1.5 KiB
Rust
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use std::borrow::Cow;
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use wasm_encoder::*;
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#[test]
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fn big_type_indices() {
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const N: u32 = 100_000;
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let mut module = Module::new();
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let mut types = TypeSection::new();
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for _ in 0..N {
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types.ty().function([], []);
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}
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module.section(&types);
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let mut funcs = FunctionSection::new();
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funcs.function(N - 1);
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module.section(&funcs);
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let mut elems = ElementSection::new();
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elems.declared(Elements::Functions(Cow::Borrowed(&[0])));
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module.section(&elems);
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let mut code = CodeSection::new();
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let mut body = Function::new([]);
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body.instructions().ref_func(0);
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body.instructions().drop();
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body.instructions().end();
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code.function(&body);
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module.section(&code);
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let wasm = module.finish();
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wasmparser::Validator::default()
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.validate_all(&wasm)
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.unwrap();
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}
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#[test]
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fn big_function_body() {
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let mut module = Module::new();
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let mut types = TypeSection::new();
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types.ty().function([], []);
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module.section(&types);
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let mut funcs = FunctionSection::new();
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funcs.function(0);
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module.section(&funcs);
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let mut code = CodeSection::new();
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let mut body = Function::new([]);
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// Function body larger than the 7_654_321-byte implementation
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// limit.
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for _ in 0..8_000_000 {
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body.instructions().unreachable();
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}
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body.instructions().end();
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code.function(&body);
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module.section(&code);
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let wasm = module.finish();
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let result = wasmparser::Validator::default().validate_all(&wasm);
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assert!(result.is_err());
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}
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