35 lines
950 B
Rust
35 lines
950 B
Rust
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pub(crate) trait Expectable {
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#[track_caller]
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fn assert_eq(self, other: &[u8]);
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}
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impl Expectable for &str {
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#[track_caller]
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fn assert_eq(self, other: &[u8]) {
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if let Ok(other_str) = std::str::from_utf8(other) {
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assert_eq!(other_str, self)
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} else {
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// should always fail as other is not valid utf-8 but self is
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// just for consistent assert error message
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assert_eq!(other, self.as_bytes())
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}
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}
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}
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impl Expectable for &[u8] {
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#[track_caller]
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fn assert_eq(self, other: &[u8]) {
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assert_eq!(other, self)
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}
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}
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/// Tests whether the file can be successfully loaded
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/// and produces the expected output during it
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pub(crate) fn load_module_test<T: Expectable>(file: &str, expected: T) {
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use scryer_prolog::machine::mock_wam::*;
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let mut wam = Machine::with_test_streams();
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expected.assert_eq(wam.test_load_file(file).as_slice());
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}
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