From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/debuginfo/generic-tuple-style-enum.rs | 93 +++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 tests/debuginfo/generic-tuple-style-enum.rs

(limited to 'tests/debuginfo/generic-tuple-style-enum.rs')

diff --git a/tests/debuginfo/generic-tuple-style-enum.rs b/tests/debuginfo/generic-tuple-style-enum.rs
new file mode 100644
index 000000000..60362e54e
--- /dev/null
+++ b/tests/debuginfo/generic-tuple-style-enum.rs
@@ -0,0 +1,93 @@
+// Require a gdb or lldb that can read DW_TAG_variant_part.
+// min-gdb-version: 8.2
+// rust-lldb
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:set print union on
+// gdb-command:run
+
+// gdb-command:print case1
+// gdbr-check:$1 = generic_tuple_style_enum::Regular<u16, u32, u64>::Case1(0, 31868, 31868, 31868, 31868)
+
+// gdb-command:print case2
+// gdbr-check:$2 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case2(0, 286331153, 286331153)
+
+// gdb-command:print case3
+// gdbr-check:$3 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case3(0, 6438275382588823897)
+
+// gdb-command:print univariant
+// gdbr-check:$4 = generic_tuple_style_enum::Univariant<i64>::TheOnlyCase(-1)
+
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+
+// lldb-command:print case1
+// lldbr-check:(generic_tuple_style_enum::Regular<u16, u32, u64>::Case1) case1 = { __0 = 0 __1 = 31868 __2 = 31868 __3 = 31868 __4 = 31868 }
+
+// lldb-command:print case2
+// lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case2) case2 = Regular<i16, i32, i64>::Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 }
+
+// lldb-command:print case3
+// lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case3) case3 = Regular<i16, i32, i64>::Case3 { Case1: 0, Case2: 6438275382588823897 }
+
+// lldb-command:print univariant
+// lldbr-check:(generic_tuple_style_enum::Univariant<i64>) univariant = Univariant<i64> { TheOnlyCase: Univariant<i64>::TheOnlyCase(-1) }
+
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+use self::Regular::{Case1, Case2, Case3};
+use self::Univariant::TheOnlyCase;
+
+// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
+// substituted with something of size `xx` bits and the same alignment as an integer type of the
+// same size.
+
+// The first element is to ensure proper alignment, irrespective of the machines word size. Since
+// the size of the discriminant value is machine dependent, this has be taken into account when
+// datatype layout should be predictable as in this case.
+enum Regular<T16, T32, T64> {
+    Case1(T64, T16, T16, T16, T16),
+    Case2(T64, T32, T32),
+    Case3(T64, T64)
+}
+
+enum Univariant<T64> {
+    TheOnlyCase(T64)
+}
+
+fn main() {
+
+    // In order to avoid endianness trouble all of the following test values consist of a single
+    // repeated byte. This way each interpretation of the union should look the same, no matter if
+    // this is a big or little endian machine.
+
+    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
+    // 0b01111100011111000111110001111100 = 2088533116
+    // 0b0111110001111100 = 31868
+    // 0b01111100 = 124
+    let case1: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
+
+    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
+    // 0b00010001000100010001000100010001 = 286331153
+    // 0b0001000100010001 = 4369
+    // 0b00010001 = 17
+    let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
+
+    // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
+    // 0b01011001010110010101100101011001 = 1499027801
+    // 0b0101100101011001 = 22873
+    // 0b01011001 = 89
+    let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
+
+    let univariant = TheOnlyCase(-1_i64);
+
+    zzz(); // #break
+}
+
+fn zzz() { () }
-- 
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