[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/softheap1.test

Index: third_party/sqlite/sqlite-src-3080704/test/softheap1.test
diff --git a/third_party/sqlite/src/test/softheap1.test b/third_party/sqlite/sqlite-src-3080704/test/softheap1.test
similarity index 67%
copy from third_party/sqlite/src/test/softheap1.test
copy to third_party/sqlite/sqlite-src-3080704/test/softheap1.test
index 685555366ed697d4597f8218930b2b8a2a5d6157..522e455e339cc81fa7fd679e7334ce6ec35afc2a 100644
--- a/third_party/sqlite/src/test/softheap1.test
+++ b/third_party/sqlite/sqlite-src-3080704/test/softheap1.test
@@ -24,10 +24,27 @@ ifcapable !integrityck {
   return
 }
 
-sqlite3_soft_heap_limit -1
-sqlite3_soft_heap_limit 0
-sqlite3_soft_heap_limit 5000
+do_test softheap1-1.0 {
+  execsql {PRAGMA soft_heap_limit}
+} [sqlite3_soft_heap_limit -1]
 do_test softheap1-1.1 {
+  execsql {PRAGMA soft_heap_limit=123456; PRAGMA soft_heap_limit;}
+} {123456 123456}
+do_test softheap1-1.2 {
+  sqlite3_soft_heap_limit -1
+} {123456}
+do_test softheap1-1.3 {
+  execsql {PRAGMA soft_heap_limit(-1); PRAGMA soft_heap_limit;}
+} {123456 123456}
+do_test softheap1-1.4 {
+  execsql {PRAGMA soft_heap_limit(0); PRAGMA soft_heap_limit;}
+} {0 0}
+
+sqlite3_soft_heap_limit 5000
+do_test softheap1-2.0 {
+  execsql {PRAGMA soft_heap_limit}
+} {5000}
+do_test softheap1-2.1 {
   execsql {
     PRAGMA auto_vacuum=1;
     CREATE TABLE t1(x);