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tests: add subtyping test

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This commit is contained in:
Louis Heredero
2026-06-06 16:59:49 +02:00
parent f0e3f7574f
commit bccd75317e
2 changed files with 232 additions and 0 deletions
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12
tests/cases/checker/06_subtyping.py Normal file
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@@ -0,0 +1,12 @@
v1: int = 3
v2: float = 4
def maximum(a: float, b: float):
if b > a:
return b
return a
v3 = maximum(v1, v2)
v3 = v1 + v2

220
tests/cases/checker/06_subtyping.py.ref.json Normal file
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@@ -0,0 +1,220 @@
{
"diagnostics": [
{
"type": "Error",
"location": {
"start": [
12,
5
],
"end": [
12,
12
]
},
"message": "Undefined operation __add__ between BaseType(name='int') and BaseType(name='float')"
},
{
"type": "Error",
"location": {
"start": [
12,
0
],
"end": [
12,
12
]
},
"message": "Cannot assign UnknownType() to v3 of type BaseType(name='float')"
}
],
"judgments": [
{
"location": {
"from": "L1:10",
"to": "L1:11"
},
"expr": {
"_type": "LiteralExpr",
"value": 3
},
"type": {
"name": "int"
}
},
{
"location": {
"from": "L2:12",
"to": "L2:13"
},
"expr": {
"_type": "LiteralExpr",
"value": 4
},
"type": {
"name": "int"
}
},
{
"location": {
"from": "L6:7",
"to": "L6:8"
},
"expr": {
"_type": "VariableExpr",
"name": "b"
},
"type": {
"name": "float"
}
},
{
"location": {
"from": "L6:11",
"to": "L6:12"
},
"expr": {
"_type": "VariableExpr",
"name": "a"
},
"type": {
"name": "float"
}
},
{
"location": {
"from": "L11:5",
"to": "L11:12"
},
"expr": {
"_type": "VariableExpr",
"name": "maximum"
},
"type": {
"name": "maximum",
"pos_args": [],
"args": [
{
"pos": 0,
"name": "a",
"type": {
"name": "float"
},
"required": true
},
{
"pos": 1,
"name": "b",
"type": {
"name": "float"
},
"required": true
}
],
"kw_args": [],
"returns": {
"name": "float"
}
}
},
{
"location": {
"from": "L11:13",
"to": "L11:15"
},
"expr": {
"_type": "VariableExpr",
"name": "v1"
},
"type": {
"name": "int"
}
},
{
"location": {
"from": "L11:17",
"to": "L11:19"
},
"expr": {
"_type": "VariableExpr",
"name": "v2"
},
"type": {
"name": "float"
}
},
{
"location": {
"from": "L11:5",
"to": "L11:20"
},
"expr": {
"_type": "CallExpr",
"callee": {
"_type": "VariableExpr",
"name": "maximum"
},
"arguments": [
{
"_type": "VariableExpr",
"name": "v1"
},
{
"_type": "VariableExpr",
"name": "v2"
}
],
"keywords": {}
},
"type": {
"name": "float"
}
},
{
"location": {
"from": "L12:5",
"to": "L12:7"
},
"expr": {
"_type": "VariableExpr",
"name": "v1"
},
"type": {
"name": "int"
}
},
{
"location": {
"from": "L12:10",
"to": "L12:12"
},
"expr": {
"_type": "VariableExpr",
"name": "v2"
},
"type": {
"name": "float"
}
},
{
"location": {
"from": "L12:5",
"to": "L12:12"
},
"expr": {
"_type": "BinaryExpr",
"left": {
"_type": "VariableExpr",
"name": "v1"
},
"operator": "+",
"right": {
"_type": "VariableExpr",
"name": "v2"
}
},
"type": {}
}
]
}