mirror of
https://github.com/salsa-rs/salsa.git
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106 lines
3.1 KiB
Rust
106 lines
3.1 KiB
Rust
//! Test that a `tracked` fn on a `salsa::input`
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//! compiles and executes successfully.
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use expect_test::expect;
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use std::path::{Path, PathBuf};
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use test_log::test;
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#[salsa::interned]
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struct InternedString<'db> {
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data: String,
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}
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#[salsa::interned]
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struct InternedPair<'db> {
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data: (InternedString<'db>, InternedString<'db>),
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}
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#[salsa::interned]
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struct InternedTwoFields<'db> {
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data1: String,
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data2: String,
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}
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#[salsa::interned]
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struct InternedVec<'db> {
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data1: Vec<String>,
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}
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#[salsa::interned]
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struct InternedPathBuf<'db> {
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data1: PathBuf,
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}
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#[salsa::tracked]
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fn intern_stuff(db: &dyn salsa::Database) -> String {
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let s1 = InternedString::new(db, "Hello, ".to_string());
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let s2 = InternedString::new(db, "World, ");
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let s3 = InternedPair::new(db, (s1, s2));
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format!("{s3:?}")
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}
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#[test]
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fn execute() {
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let db = salsa::DatabaseImpl::new();
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expect![[r#"
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"InternedPair { data: (InternedString { data: \"Hello, \" }, InternedString { data: \"World, \" }) }"
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"#]].assert_debug_eq(&intern_stuff(&db));
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}
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#[test]
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fn interning_returns_equal_keys_for_equal_data() {
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let db = salsa::DatabaseImpl::new();
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let s1 = InternedString::new(&db, "Hello, ".to_string());
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let s2 = InternedString::new(&db, "World, ".to_string());
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let s1_2 = InternedString::new(&db, "Hello, ");
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let s2_2 = InternedString::new(&db, "World, ");
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assert_eq!(s1, s1_2);
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assert_eq!(s2, s2_2);
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}
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#[test]
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fn interning_returns_equal_keys_for_equal_data_multi_field() {
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let db = salsa::DatabaseImpl::new();
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let s1 = InternedTwoFields::new(&db, "Hello, ".to_string(), "World");
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let s2 = InternedTwoFields::new(&db, "World, ", "Hello".to_string());
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let s1_2 = InternedTwoFields::new(&db, "Hello, ", "World");
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let s2_2 = InternedTwoFields::new(&db, "World, ", "Hello");
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let new = InternedTwoFields::new(&db, "Hello, World", "");
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assert_eq!(s1, s1_2);
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assert_eq!(s2, s2_2);
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assert_ne!(s1, s2_2);
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assert_ne!(s1, new);
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}
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#[test]
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fn interning_vec() {
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let db = salsa::DatabaseImpl::new();
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let s1 = InternedVec::new(&db, ["Hello, ".to_string(), "World".to_string()].as_slice());
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let s2 = InternedVec::new(&db, ["Hello, ", "World"].as_slice());
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let s3 = InternedVec::new(&db, vec!["Hello, ".to_string(), "World".to_string()]);
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let s4 = InternedVec::new(&db, ["Hello, ", "World"].as_slice());
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let s5 = InternedVec::new(&db, ["Hello, ", "World", "Test"].as_slice());
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let s6 = InternedVec::new(&db, ["Hello, ", "World", ""].as_slice());
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let s7 = InternedVec::new(&db, ["Hello, "].as_slice());
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assert_eq!(s1, s2);
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assert_eq!(s1, s3);
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assert_eq!(s1, s4);
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assert_ne!(s1, s5);
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assert_ne!(s1, s6);
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assert_ne!(s5, s6);
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assert_ne!(s6, s7);
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}
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#[test]
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fn interning_path_buf() {
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let db = salsa::DatabaseImpl::new();
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let s1 = InternedPathBuf::new(&db, PathBuf::from("test_path".to_string()));
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let s2 = InternedPathBuf::new(&db, Path::new("test_path"));
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let s3 = InternedPathBuf::new(&db, Path::new("test_path/"));
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let s4 = InternedPathBuf::new(&db, Path::new("test_path/a"));
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assert_eq!(s1, s2);
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assert_eq!(s1, s3);
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assert_ne!(s1, s4);
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}
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