1 files changed, 524 insertions, 0 deletions
diff --git a/vendor/backtrace-ext/src/test.rs b/vendor/backtrace-ext/src/test.rs
new file mode 100644
index 0000000..d4d4112
--- /dev/null
+++ b/vendor/backtrace-ext/src/test.rs
@@ -0,0 +1,524 @@
+use super::*;
+
+type BT = &'static [&'static [&'static str]];
+
+impl Backtraceish for BT {
+    type Frame = &'static [&'static str];
+    fn frames(&self) -> &[Self::Frame] {
+        self
+    }
+}
+
+impl Frameish for &'static [&'static str] {
+    type Symbol = &'static str;
+    fn symbols(&self) -> &[Self::Symbol] {
+        self
+    }
+}
+
+impl Symbolish for &'static str {
+    fn name_str(&self) -> Option<&str> {
+        Some(self)
+    }
+}
+
+fn process(bt: BT) -> Vec<&'static str> {
+    let mut result = vec![];
+    for (frame, subframes) in short_frames_strict_impl(&bt) {
+        let symbols = &frame.symbols()[subframes];
+        assert!(!symbols.is_empty());
+        for symbol in symbols {
+            result.push(*symbol);
+        }
+    }
+    result
+}
+
+#[test]
+fn test_full() {
+    let bt: BT = &[&["hello"], &["there", "simple"], &["case"]];
+    let expected = vec!["hello", "there", "simple", "case"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_empty() {
+    let bt: BT = &[];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_cursed_one_true_symbol1() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_end_short_backtrace_rust_begin_short_backtrace"],
+        &["there"],
+    ];
+    let expected = vec![
+        "hello",
+        "__rust_end_short_backtrace_rust_begin_short_backtrace",
+        "there",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_cursed_one_true_symbol2() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_begin_short_backtrace_rust_end_short_backtrace"],
+        &["there"],
+    ];
+    let expected: Vec<&str> = vec![
+        "hello",
+        "__rust_begin_short_backtrace_rust_end_short_backtrace",
+        "there",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_backwards1() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_begin_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_end_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "__rust_begin_short_backtrace",
+        "real",
+        "frames",
+        "rust_end_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_backwards2() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_begin_short_backtrace", "real", "frames"],
+        &["rust_end_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "__rust_begin_short_backtrace",
+        "real",
+        "frames",
+        "rust_end_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_backwards3() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_begin_short_backtrace"],
+        &["real", "frames", "rust_end_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "__rust_begin_short_backtrace",
+        "real",
+        "frames",
+        "rust_end_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_backwards4() {
+    let bt: BT = &[
+        &["hello"],
+        &[
+            "__rust_begin_short_backtrace",
+            "real",
+            "frames",
+            "rust_end_short_backtrace",
+        ],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "__rust_begin_short_backtrace",
+        "real",
+        "frames",
+        "rust_end_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_begin_clamp_simple() {
+    let bt: BT = &[&["hello"], &["__rust_begin_short_backtrace"], &["case"]];
+    let expected = vec!["hello"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_begin_clamp_left_edge() {
+    let bt: BT = &[&["__rust_begin_short_backtrace"], &["case"]];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_begin_clamp_right_edge() {
+    let bt: BT = &[&["hello"], &["__rust_begin_short_backtrace"]];
+    let expected = vec!["hello"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_begin_clamp_empty() {
+    let bt: BT = &[&["__rust_begin_short_backtrace"]];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_begin_clamp_sub() {
+    let bt: BT = &[
+        &["real"],
+        &["frames", "core::rust_begin_short_backtrace", "junk"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_end_clamp_simple() {
+    let bt: BT = &[&["hello"], &["__rust_end_short_backtrace"], &["case"]];
+    let expected = vec!["case"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_end_clamp_left_edge() {
+    let bt: BT = &[&["_rust_end_short_backtrace"], &["case"]];
+    let expected = vec!["case"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_end_clamp_right_edge() {
+    let bt: BT = &[&["hello"], &["__rust_end_short_backtrace"]];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_end_clamp_empty() {
+    let bt: BT = &[&["__rust_end_short_backtrace"]];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_end_clamp_sub() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace", "real"],
+        &["frames"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_simple() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_multiball_various() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_end_short_backtrace"],
+        &["core::rust_end_short_backtrace"],
+        &["junk"],
+        &["rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["_rust_begin_short_backtrace"],
+        &["junk"],
+        &["core::rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_multiball_identical() {
+    let bt: BT = &[
+        &["hello"],
+        &["rust_end_short_backtrace"],
+        &["rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_multiball_invert1() {
+    let bt: BT = &[
+        &["hello"],
+        &["rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["junk"],
+        &["rust_end_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "rust_end_short_backtrace",
+        "real",
+        "frames",
+        "rust_begin_short_backtrace",
+        "junk",
+        "rust_end_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_multiball_invert2() {
+    let bt: BT = &[
+        &["hello"],
+        &["rust_begin_short_backtrace"],
+        &["junk"],
+        &["rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec![
+        "hello",
+        "rust_begin_short_backtrace",
+        "junk",
+        "rust_end_short_backtrace",
+        "real",
+        "frames",
+        "rust_begin_short_backtrace",
+        "case",
+    ];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_adjacent() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_end_short_backtrace"],
+        &["rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_left_edge() {
+    let bt: BT = &[
+        &["__rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+        &["case"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_right_edge() {
+    let bt: BT = &[
+        &["hello"],
+        &["__rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["rust_begin_short_backtrace"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_spanned() {
+    let bt: BT = &[
+        &["__rust_end_short_backtrace"],
+        &["real"],
+        &["frames"],
+        &["__rust_begin_short_backtrace"],
+    ];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_both_spanned_empty() {
+    let bt: BT = &[
+        &["rust_end_short_backtrace"],
+        &["rust_begin_short_backtrace"],
+    ];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_one_super_frame_2() {
+    let bt: BT = &[&[
+        "rust_end_short_backtrace",
+        "real",
+        "frames",
+        "rust_begin_short_backtrace",
+    ]];
+    let expected = vec!["real", "frames"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_one_super_frame_1() {
+    let bt: BT = &[&[
+        "rust_end_short_backtrace",
+        "real",
+        "rust_begin_short_backtrace",
+    ]];
+    let expected = vec!["real"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_one_super_frame_0() {
+    let bt: BT = &[&["rust_end_short_backtrace", "rust_begin_short_backtrace"]];
+    let expected: Vec<&str> = vec![];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex1() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace", "real"],
+        &["frames"],
+        &["here", "__rust_begin_short_backtrace", "junk"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex2() {
+    let bt: BT = &[
+        &["junk"],
+        &["__rust_end_short_backtrace", "real"],
+        &["frames"],
+        &["here", "__rust_begin_short_backtrace", "junk"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex3() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace", "real"],
+        &["frames"],
+        &["here", "__rust_begin_short_backtrace"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex4() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace"],
+        &["real", "frames"],
+        &["here", "__rust_begin_short_backtrace"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex5() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace", "real"],
+        &["frames", "here"],
+        &["__rust_begin_short_backtrace"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex6() {
+    let bt: BT = &[
+        &["junk"],
+        &[
+            "junk",
+            "__rust_end_short_backtrace",
+            "real",
+            "frames",
+            "here",
+        ],
+        &["__rust_begin_short_backtrace"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}
+
+#[test]
+fn test_complex7() {
+    let bt: BT = &[
+        &["junk"],
+        &["junk", "__rust_end_short_backtrace"],
+        &["real", "frames", "here", "__rust_begin_short_backtrace"],
+        &["junk"],
+    ];
+    let expected = vec!["real", "frames", "here"];
+    assert_eq!(process(bt), expected);
+}