forked from M-Labs/nac3
added virtual test
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1d13b16f94
commit
5f0490cd84
@ -28,6 +28,7 @@ pub struct PrimitiveStore {
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pub struct Inferencer<'a> {
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pub resolver: &'a mut Box<dyn SymbolResolver>,
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pub unifier: &'a mut Unifier,
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pub virtual_checks: &'a mut Vec<(Type, Type)>,
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pub variable_mapping: HashMap<String, Type>,
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pub calls: &'a mut Vec<Rc<Call>>,
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pub primitives: &'a PrimitiveStore,
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@ -208,6 +209,7 @@ impl<'a> Inferencer<'a> {
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let mut new_context = Inferencer {
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resolver: self.resolver,
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unifier: self.unifier,
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virtual_checks: self.virtual_checks,
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variable_mapping,
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calls: self.calls,
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primitives: self.primitives,
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@ -250,6 +252,7 @@ impl<'a> Inferencer<'a> {
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let mut new_context = Inferencer {
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resolver: self.resolver,
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unifier: self.unifier,
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virtual_checks: self.virtual_checks,
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variable_mapping,
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calls: self.calls,
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primitives: self.primitives,
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@ -318,6 +321,7 @@ impl<'a> Inferencer<'a> {
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} else {
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self.unifier.get_fresh_var().0
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};
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self.virtual_checks.push((arg0.custom.unwrap(), ty));
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let custom = Some(self.unifier.add_ty(TypeEnum::TVirtual { ty }));
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return Ok(Located {
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location,
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@ -3,12 +3,14 @@ use super::super::symbol_resolver::*;
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use super::super::typedef::*;
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use super::*;
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use indoc::indoc;
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use itertools::zip;
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use rustpython_parser::ast;
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use rustpython_parser::parser::parse_program;
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use test_case::test_case;
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struct Resolver {
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identifier_mapping: HashMap<String, Type>,
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class_names: HashMap<String, Type>,
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}
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impl SymbolResolver for Resolver {
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@ -16,9 +18,13 @@ impl SymbolResolver for Resolver {
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self.identifier_mapping.get(str).cloned()
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}
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fn parse_type_name(&mut self, _: &ast::Expr<()>) -> Option<Type> {
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fn parse_type_name(&mut self, ty: &ast::Expr<()>) -> Option<Type> {
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if let ExprKind::Name { id, .. } = &ty.node {
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self.class_names.get(id).cloned()
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} else {
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unimplemented!()
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}
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}
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fn get_symbol_value(&mut self, _: &str) -> Option<SymbolValue> {
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unimplemented!()
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@ -36,6 +42,7 @@ struct TestEnvironment {
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pub primitives: PrimitiveStore,
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pub id_to_name: HashMap<usize, String>,
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pub identifier_mapping: HashMap<String, Type>,
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pub virtual_checks: Vec<(Type, Type)>,
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}
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impl TestEnvironment {
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@ -69,13 +76,7 @@ impl TestEnvironment {
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});
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identifier_mapping.insert("None".into(), none);
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let primitives = PrimitiveStore {
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int32,
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int64,
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float,
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bool,
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none,
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};
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let primitives = PrimitiveStore { int32, int64, float, bool, none };
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let (v0, id) = unifier.get_fresh_var();
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@ -94,6 +95,40 @@ impl TestEnvironment {
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})),
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);
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let fun = unifier.add_ty(TypeEnum::TFunc(FunSignature {
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args: vec![],
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ret: int32,
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vars: Default::default(),
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}));
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let bar = unifier.add_ty(TypeEnum::TObj {
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obj_id: 6,
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fields: [("a".into(), int32), ("b".into(), fun)].iter().cloned().collect(),
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params: Default::default(),
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});
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identifier_mapping.insert(
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"Bar".into(),
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unifier.add_ty(TypeEnum::TFunc(FunSignature {
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args: vec![],
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ret: bar,
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vars: Default::default(),
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})),
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);
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let bar2 = unifier.add_ty(TypeEnum::TObj {
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obj_id: 7,
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fields: [("a".into(), bool), ("b".into(), fun)].iter().cloned().collect(),
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params: Default::default(),
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});
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identifier_mapping.insert(
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"Bar2".into(),
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unifier.add_ty(TypeEnum::TFunc(FunSignature {
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args: vec![],
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ret: bar2,
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vars: Default::default(),
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})),
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);
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let class_names = [("Bar".into(), bar), ("Bar2".into(), bar2)].iter().cloned().collect();
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let id_to_name = [
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(0, "int32".to_string()),
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(1, "int64".to_string()),
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@ -101,12 +136,16 @@ impl TestEnvironment {
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(3, "bool".to_string()),
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(4, "none".to_string()),
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(5, "Foo".to_string()),
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(6, "Bar".to_string()),
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(7, "Bar2".to_string()),
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]
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.iter()
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.cloned()
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.collect();
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let resolver = Box::new(Resolver { identifier_mapping: identifier_mapping.clone() }) as Box<dyn SymbolResolver>;
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let resolver =
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Box::new(Resolver { identifier_mapping: identifier_mapping.clone(), class_names })
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as Box<dyn SymbolResolver>;
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TestEnvironment {
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unifier,
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@ -115,6 +154,7 @@ impl TestEnvironment {
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id_to_name,
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identifier_mapping,
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calls: Vec::new(),
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virtual_checks: Vec::new(),
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}
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}
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@ -125,7 +165,8 @@ impl TestEnvironment {
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variable_mapping: Default::default(),
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calls: &mut self.calls,
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primitives: &mut self.primitives,
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return_type: None
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virtual_checks: &mut self.virtual_checks,
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return_type: None,
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}
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}
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}
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@ -136,7 +177,8 @@ impl TestEnvironment {
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c = 1.234
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d = True
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"},
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[("a", "int32"), ("b", "int64"), ("c", "float"), ("d", "bool")].iter().cloned().collect()
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[("a", "int32"), ("b", "int64"), ("c", "float"), ("d", "bool")].iter().cloned().collect(),
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&[]
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; "primitives test")]
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#[test_case(indoc! {"
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a = lambda x, y: x
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@ -144,7 +186,8 @@ impl TestEnvironment {
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c = 1.234
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d = b(c)
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"},
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[("a", "fn[[x=float, y=float], float]"), ("b", "fn[[x=float], float]"), ("c", "float"), ("d", "float")].iter().cloned().collect()
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[("a", "fn[[x=float, y=float], float]"), ("b", "fn[[x=float], float]"), ("c", "float"), ("d", "float")].iter().cloned().collect(),
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&[]
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; "lambda test")]
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#[test_case(indoc! {"
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a = lambda x: x
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@ -160,20 +203,31 @@ impl TestEnvironment {
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"},
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[("a", "fn[[x=bool], bool]"), ("b", "fn[[x=int32], int32]"), ("c", "bool"),
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("d", "int32"), ("foo1", "Foo[bool]"), ("foo2", "Foo[int32]")].iter().cloned().collect()
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("d", "int32"), ("foo1", "Foo[bool]"), ("foo2", "Foo[int32]")].iter().cloned().collect(),
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&[]
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; "obj test")]
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#[test_case(indoc! {"
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f = lambda x: True
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a = [1, 2, 3]
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b = [f(x) for x in a if f(x)]
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"},
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[("a", "list[int32]"), ("b", "list[bool]"), ("f", "fn[[x=int32], bool]")].iter().cloned().collect()
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[("a", "list[int32]"), ("b", "list[bool]"), ("f", "fn[[x=int32], bool]")].iter().cloned().collect(),
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&[]
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; "listcomp test")]
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fn test_basic(source: &str, mapping: HashMap<&str, &str>) {
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#[test_case(indoc! {"
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a = virtual(Bar(), Bar)
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b = a.b()
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a = virtual(Bar2())
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"},
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[("a", "virtual[Bar]"), ("b", "int32")].iter().cloned().collect(),
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&[("Bar", "Bar"), ("Bar2", "Bar")]
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; "virtual test")]
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fn test_basic(source: &str, mapping: HashMap<&str, &str>, virtuals: &[(&str, &str)]) {
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println!("source:\n{}", source);
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let mut env = TestEnvironment::new();
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let id_to_name = std::mem::take(&mut env.id_to_name);
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let mut defined_identifiers = env.identifier_mapping.keys().cloned().collect();
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let mut defined_identifiers: Vec<_> = env.identifier_mapping.keys().cloned().collect();
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defined_identifiers.push("virtual".to_string());
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let mut inferencer = env.get_inferencer();
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let statements = parse_program(source).unwrap();
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let statements = statements
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@ -201,4 +255,20 @@ fn test_basic(source: &str, mapping: HashMap<&str, &str>) {
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);
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assert_eq!(format!("{}: {}", k, v), format!("{}: {}", k, name));
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}
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assert_eq!(inferencer.virtual_checks.len(), virtuals.len());
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for ((a, b), (x, y)) in zip(inferencer.virtual_checks.iter(), virtuals) {
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let a = inferencer.unifier.stringify(
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*a,
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&mut |v| id_to_name.get(&v).unwrap().clone(),
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&mut |v| format!("v{}", v),
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);
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let b = inferencer.unifier.stringify(
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*b,
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&mut |v| id_to_name.get(&v).unwrap().clone(),
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&mut |v| format!("v{}", v),
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);
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assert_eq!(&a, x);
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assert_eq!(&b, y);
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}
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}
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