a7190764e1
* Add more overflow checks in table/memory initialization. * Comment for `with_allocation_strategy` to explain ignored `Config` options. * Fix Wasmtime `Table` to not panic for type mismatches in `fill`/`copy`. * Add tests for that fix.
53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
use wasmtime::*;
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#[test]
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fn get_none() {
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let store = Store::default();
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let ty = TableType::new(ValType::FuncRef, Limits::new(1, None));
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let table = Table::new(&store, ty, Val::FuncRef(None)).unwrap();
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match table.get(0) {
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Some(Val::FuncRef(None)) => {}
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_ => panic!(),
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}
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assert!(table.get(1).is_none());
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}
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#[test]
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fn fill_wrong() {
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let store = Store::default();
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let ty = TableType::new(ValType::FuncRef, Limits::new(1, None));
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let table = Table::new(&store, ty, Val::FuncRef(None)).unwrap();
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assert_eq!(
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table
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.fill(0, Val::ExternRef(None), 1)
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.map_err(|e| e.to_string())
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.unwrap_err(),
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"mismatched element fill type"
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);
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let ty = TableType::new(ValType::ExternRef, Limits::new(1, None));
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let table = Table::new(&store, ty, Val::ExternRef(None)).unwrap();
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assert_eq!(
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table
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.fill(0, Val::FuncRef(None), 1)
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.map_err(|e| e.to_string())
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.unwrap_err(),
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"mismatched element fill type"
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);
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}
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#[test]
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fn copy_wrong() {
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let store = Store::default();
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let ty = TableType::new(ValType::FuncRef, Limits::new(1, None));
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let table1 = Table::new(&store, ty, Val::FuncRef(None)).unwrap();
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let ty = TableType::new(ValType::ExternRef, Limits::new(1, None));
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let table2 = Table::new(&store, ty, Val::ExternRef(None)).unwrap();
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assert_eq!(
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Table::copy(&table1, 0, &table2, 0, 1)
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.map_err(|e| e.to_string())
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.unwrap_err(),
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"tables do not have the same element type"
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);
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}
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