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tests/expr: check prefix operation

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This commit is contained in:
Zhuoxun Yang 2023-11-21 22:06:20 +08:00
parent 17d21d2d9c
commit 44702940d2
1 changed files with 20 additions and 0 deletions
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20
tests/by-util/test_expr.rs
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@ -100,6 +100,11 @@ fn test_parenthesis() {
.args(&["(", "1", "+", "1", ")", "*", "2"]) .args(&["(", "1", "+", "1", ")", "*", "2"])
.succeeds() .succeeds()
.stdout_only("4\n"); .stdout_only("4\n");
new_ucmd!()
.args(&["1", "(", ")"])
.fails()
.stderr_only("expr: syntax error (operation should be prefix)\n");
} }
#[test] #[test]
@ -221,6 +226,11 @@ fn test_index() {
.args(&["index", "αbcdef_f", "f"]) .args(&["index", "αbcdef_f", "f"])
.succeeds() .succeeds()
.stdout_only("6\n"); .stdout_only("6\n");
new_ucmd!()
.args(&["αbcdef", "index", "α"])
.fails()
.stderr_only("expr: syntax error (operation should be prefix)\n");
} }
#[test] #[test]
@ -234,6 +244,11 @@ fn test_length() {
.args(&["length", "abcdef"]) .args(&["length", "abcdef"])
.succeeds() .succeeds()
.stdout_only("6\n"); .stdout_only("6\n");
new_ucmd!()
.args(&["abcdef", "length"])
.fails()
.stderr_only("expr: syntax error (operation should be prefix)\n");
} }
#[test] #[test]
@ -271,6 +286,11 @@ fn test_substr() {
.args(&["substr", "abc", "1", "1"]) .args(&["substr", "abc", "1", "1"])
.succeeds() .succeeds()
.stdout_only("a\n"); .stdout_only("a\n");
new_ucmd!()
.args(&["abc", "substr", "1", "1"])
.fails()
.stderr_only("expr: syntax error (operation should be prefix)\n");
} }
#[test] #[test]