1 files changed, 95 insertions, 0 deletions
diff --git a/test/spec/memory_grow64.wast b/test/spec/memory_grow64.wast
new file mode 100644
index 000000000..90d8de607
--- /dev/null
+++ b/test/spec/memory_grow64.wast
@@ -0,0 +1,95 @@
+(module
+    (memory i64 0)
+
+    (func (export "load_at_zero") (result i32) (i32.load (i64.const 0)))
+    (func (export "store_at_zero") (i32.store (i64.const 0) (i32.const 2)))
+
+    (func (export "load_at_page_size") (result i32) (i32.load (i64.const 0x10000)))
+    (func (export "store_at_page_size") (i32.store (i64.const 0x10000) (i32.const 3)))
+
+    (func (export "grow") (param $sz i64) (result i64) (memory.grow (local.get $sz)))
+    (func (export "size") (result i64) (memory.size))
+)
+
+(assert_return (invoke "size") (i64.const 0))
+(assert_trap (invoke "store_at_zero") "out of bounds memory access")
+(assert_trap (invoke "load_at_zero") "out of bounds memory access")
+(assert_trap (invoke "store_at_page_size") "out of bounds memory access")
+(assert_trap (invoke "load_at_page_size") "out of bounds memory access")
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 0))
+(assert_return (invoke "size") (i64.const 1))
+(assert_return (invoke "load_at_zero") (i32.const 0))
+(assert_return (invoke "store_at_zero"))
+(assert_return (invoke "load_at_zero") (i32.const 2))
+(assert_trap (invoke "store_at_page_size") "out of bounds memory access")
+(assert_trap (invoke "load_at_page_size") "out of bounds memory access")
+(assert_return (invoke "grow" (i64.const 4)) (i64.const 1))
+(assert_return (invoke "size") (i64.const 5))
+(assert_return (invoke "load_at_zero") (i32.const 2))
+(assert_return (invoke "store_at_zero"))
+(assert_return (invoke "load_at_zero") (i32.const 2))
+(assert_return (invoke "load_at_page_size") (i32.const 0))
+(assert_return (invoke "store_at_page_size"))
+(assert_return (invoke "load_at_page_size") (i32.const 3))
+
+
+(module
+  (memory i64 0)
+  (func (export "grow") (param i64) (result i64) (memory.grow (local.get 0)))
+)
+
+(assert_return (invoke "grow" (i64.const 0)) (i64.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 0))
+(assert_return (invoke "grow" (i64.const 0)) (i64.const 1))
+(assert_return (invoke "grow" (i64.const 2)) (i64.const 1))
+(assert_return (invoke "grow" (i64.const 800)) (i64.const 3))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 803))
+
+(module
+  (memory i64 0 10)
+  (func (export "grow") (param i64) (result i64) (memory.grow (local.get 0)))
+)
+
+(assert_return (invoke "grow" (i64.const 0)) (i64.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 1))
+(assert_return (invoke "grow" (i64.const 2)) (i64.const 2))
+(assert_return (invoke "grow" (i64.const 6)) (i64.const 4))
+(assert_return (invoke "grow" (i64.const 0)) (i64.const 10))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const -1))
+(assert_return (invoke "grow" (i64.const 0x10000)) (i64.const -1))
+
+;; Test that newly allocated memory (program start and memory.grow) is zeroed
+
+(module
+  (memory i64 1)
+  (func (export "grow") (param i64) (result i64)
+    (memory.grow (local.get 0))
+  )
+  (func (export "check-memory-zero") (param i64 i64) (result i32)
+    (local i32)
+    (local.set 2 (i32.const 1))
+    (block
+      (loop
+        (local.set 2 (i32.load8_u (local.get 0)))
+        (br_if 1 (i32.ne (local.get 2) (i32.const 0)))
+        (br_if 1 (i64.ge_u (local.get 0) (local.get 1)))
+        (local.set 0 (i64.add (local.get 0) (i64.const 1)))
+        (br_if 0 (i64.le_u (local.get 0) (local.get 1)))
+      )
+    )
+    (local.get 2)
+  )
+)
+
+(assert_return (invoke "check-memory-zero" (i64.const 0) (i64.const 0xffff)) (i32.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 1))
+(assert_return (invoke "check-memory-zero" (i64.const 0x10000) (i64.const 0x1_ffff)) (i32.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 2))
+(assert_return (invoke "check-memory-zero" (i64.const 0x20000) (i64.const 0x2_ffff)) (i32.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 3))
+(assert_return (invoke "check-memory-zero" (i64.const 0x30000) (i64.const 0x3_ffff)) (i32.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 4))
+(assert_return (invoke "check-memory-zero" (i64.const 0x40000) (i64.const 0x4_ffff)) (i32.const 0))
+(assert_return (invoke "grow" (i64.const 1)) (i64.const 5))
+(assert_return (invoke "check-memory-zero" (i64.const 0x50000) (i64.const 0x5_ffff)) (i32.const 0))