diff options
Diffstat (limited to 'gcc/vec.c')
| -rw-r--r-- | gcc/vec.c | 47 |
1 files changed, 37 insertions, 10 deletions
@@ -38,16 +38,6 @@ along with GCC; see the file COPYING3. If not see #include "diagnostic-core.h" #endif -/* vNULL is an empty type with a template cast operation that returns - a zero-initialized vec<T, A, L> instance. Use this when you want - to assign nil values to new vec instances or pass a nil vector as - a function call argument. - - We use this technique because vec<T, A, L> must be PODs (they are - stored in unions and passed in vararg functions), this means that - they cannot have ctors/dtors. */ -vnull vNULL; - /* Vector memory usage. */ class vec_usage: public mem_usage { @@ -282,6 +272,42 @@ safe_push_range (vec <int>&v, int start, int limit) v.safe_push (i); } +/* Verify forms of initialization. */ + +static void +test_init () +{ + { + vec<int> v1{ }; + ASSERT_EQ (0, v1.length ()); + + vec<int> v2 (v1); + ASSERT_EQ (0, v2.length ()); + } + + { + vec<int> v1 = vec<int>(); + ASSERT_EQ (0, v1.length ()); + + vec<int> v2 = v1; + ASSERT_EQ (0, v2.length ()); + } + + { + vec<int> v1 (vNULL); + ASSERT_EQ (0, v1.length ()); + v1.safe_push (1); + + vec<int> v2 (v1); + ASSERT_EQ (1, v1.length ()); + v2.safe_push (1); + + ASSERT_EQ (2, v1.length ()); + ASSERT_EQ (2, v2.length ()); + v1.release (); + } +} + /* Verify that vec::quick_push works correctly. */ static void @@ -547,6 +573,7 @@ test_auto_delete_vec () void vec_c_tests () { + test_init (); test_quick_push (); test_safe_push (); test_truncate (); |