diff options
Diffstat (limited to 'ext/wasm/tester1.c-pp.js')
-rw-r--r-- | ext/wasm/tester1.c-pp.js | 197 |
1 files changed, 194 insertions, 3 deletions
diff --git a/ext/wasm/tester1.c-pp.js b/ext/wasm/tester1.c-pp.js index 5db00cee6..6fcc89532 100644 --- a/ext/wasm/tester1.c-pp.js +++ b/ext/wasm/tester1.c-pp.js @@ -419,6 +419,7 @@ self.sqlite3InitModule = sqlite3InitModule; //////////////////////////////////////////////////////////////////// T.g('C/WASM Utilities') .t('sqlite3.wasm namespace', function(sqlite3){ + // TODO: break this into smaller individual test functions. const w = wasm; const chr = (x)=>x.charCodeAt(0); //log("heap getters..."); @@ -974,7 +975,7 @@ self.sqlite3InitModule = sqlite3InitModule; .t('Create db', function(sqlite3){ const dbFile = '/tester1.db'; wasm.sqlite3_wasm_vfs_unlink(0, dbFile); - const db = this.db = new sqlite3.oo1.DB(dbFile); + const db = this.db = new sqlite3.oo1.DB(dbFile, 0 ? 'ct' : 'c'); T.assert(Number.isInteger(db.pointer)) .mustThrowMatching(()=>db.pointer=1, /read-only/) .assert(0===sqlite3.capi.sqlite3_extended_result_codes(db.pointer,1)) @@ -1197,6 +1198,29 @@ self.sqlite3InitModule = sqlite3InitModule; rc = db.selectArray('select a, b from t where b=-1'); T.assert(undefined === rc); }) + //////////////////////////////////////////////////////////////////////// + .t('selectArrays/Objects()', function(sqlite3){ + const db = this.db; + const sql = 'select a, b from t where a=? or b=? order by a'; + let rc = db.selectArrays(sql, [1, 4]); + T.assert(Array.isArray(rc)) + .assert(2===rc.length) + .assert(2===rc[0].length) + .assert(1===rc[0][0]) + .assert(2===rc[0][1]) + .assert(3===rc[1][0]) + .assert(4===rc[1][1]) + rc = db.selectArrays(sql, [99,99]); + T.assert(Array.isArray(rc)).assert(0===rc.length); + rc = db.selectObjects(sql, [1,4]); + T.assert(Array.isArray(rc)) + .assert(2===rc.length) + .assert('object' === typeof rc[1]) + .assert(1===rc[0].a) + .assert(2===rc[0].b) + .assert(3===rc[1].a) + .assert(4===rc[1].b); + }) //////////////////////////////////////////////////////////////////////// .t({ @@ -1503,6 +1527,173 @@ self.sqlite3InitModule = sqlite3InitModule; T.mustThrow(()=>db.exec("select * from foo.bar")); }) + //////////////////////////////////////////////////////////////////////// + .t({ + name: 'Custom virtual tables', + predicate: ()=>wasm.bigIntEnabled, + test: function(sqlite3){ + warn("The vtab/module JS bindings are experimental and subject to change."); + const vth = sqlite3.VtabHelper; + const tmplCols = Object.assign(Object.create(null),{ + A: 0, B: 1 + }); + /** + The vtab demonstrated here is a JS-ification of + ext/misc/templatevtab.c. + */ + const tmplMethods = { + xConnect: function(pDb, pAux, argc, argv, ppVtab, pzErr){ + try{ + const rc = capi.sqlite3_declare_vtab( + pDb, "CREATE TABLE ignored(a,b)" + ); + if(0===rc){ + const t = vth.vtab2js(); + wasm.setPtrValue(ppVtab, t.pointer); + T.assert(t === vth.vtab2js(wasm.getPtrValue(ppVtab))); + } + return rc; + }catch(e){ + if(!(e instanceof sqlite3.WasmAllocError)){ + wasm.setPtrValue(pzErr, wasm.allocCString(e.message)); + } + return vth.xMethodError('xConnect',e); + } + }, + xDisconnect: function(pVtab){ + try { + const t = vth.vtab2js(pVtab, true); + t.dispose(); + return 0; + }catch(e){ + return vth.xMethodError('xDisconnect',e); + } + }, + xOpen: function(pVtab, ppCursor){ + try{ + const t = vth.vtab2js(pVtab), c = vth.vcur2js(); + T.assert(t instanceof capi.sqlite3_vtab); + T.assert(c instanceof capi.sqlite3_vtab_cursor); + wasm.setPtrValue(ppCursor, c.pointer); + c._rowId = 0; + return 0; + }catch(e){ + return vth.xMethodError('xOpen',e); + } + }, + xClose: function(pCursor){ + try{ + const c = vth.vcur2js(pCursor,true); + T.assert(c instanceof capi.sqlite3_vtab_cursor) + .assert(!vth.vcur2js(pCursor)); + c.dispose(); + return 0; + }catch(e){ + return vth.xMethodError('xClose',e); + } + }, + xNext: function(pCursor){ + try{ + const c = vth.vcur2js(pCursor); + ++c._rowId; + return 0; + }catch(e){ + return vth.xMethodError('xNext',e); + } + + }, + xColumn: function(pCursor, pCtx, iCol){ + try{ + const c = vth.vcur2js(pCursor); + switch(iCol){ + case tmplCols.A: + capi.sqlite3_result_int(pCtx, 1000 + c._rowId); + break; + case tmplCols.B: + capi.sqlite3_result_int(pCtx, 2000 + c._rowId); + break; + default: sqlite3.SQLite3Error.toss("Invalid column id",iCol); + } + return 0; + }catch(e){ + return vth.xMethodError('xColumn',e); + } + }, + xRowid: function(pCursor, ppRowid64){ + try{ + const c = vth.vcur2js(pCursor); + vth.setRowId(ppRowid64, c._rowId); + return 0; + }catch(e){ + return vth.xMethodError('xRowid',e); + } + }, + xEof: function(pCursor){ + const c = vth.vcur2js(pCursor); + return c._rowId>=10; + }, + xFilter: function(pCursor, idxNum, idxCStr, + argc, argv/* [sqlite3_value* ...] */){ + try{ + const c = vth.vcur2js(pCursor); + c._rowId = 0; + return 0; + }catch(e){ + return vth.xMethodError('xFilter',e); + } + }, + xBestIndex: function(pVtab, pIdxInfo){ + try{ + const t = vth.vtab2js(pVtab); + const pii = new capi.sqlite3_index_info(pIdxInfo); + pii.$estimatedRows = 10; + pii.$estimatedCost = 10.0; + pii.dispose(); + return 0; + }catch(e){ + return vth.xMethodError('xBestIndex',e); + } + } + }; + /** + Problem to resolve: the vtab API places relevance on + whether xCreate and xConnect are exactly the same function + (same pointer address). Two JS-side references to the same + method will end up, without acrobatics to counter it, being + compiled as two different WASM-side bindings, i.e. two + different pointers. + + In order to account for this, VtabHelper.installMethods() + checks for duplicate function entries and maps them to the + same WASM-compiled instance + */ + if(1){ + tmplMethods.xCreate = tmplMethods.xConnect; + } + + const tmplMod = new sqlite3.capi.sqlite3_module(); + tmplMod.ondispose = []; + tmplMod.$iVersion = 0; + vth.installMethods(tmplMod, tmplMethods, true); + if(tmplMethods.xCreate){ + T.assert(tmplMod.$xCreate === tmplMod.$xConnect, + "installMethods() must avoid re-compiling identical functions"); + tmplMod.$xCreate = 0; + } + let rc = capi.sqlite3_create_module( + this.db, "testvtab", tmplMod, 0 + ); + this.db.checkRc(rc); + + const list = this.db.selectArrays( + "SELECT a,b FROM testvtab order by a" + ); + T.assert(10===list.length) + .assert(1000===list[0][0]) + .assert(2009===list[list.length-1][1]) + } + })/*vtab sanity checks*/ + //////////////////////////////////////////////////////////////////// .t({ name: 'C-side WASM tests (if compiled in)', @@ -1590,8 +1781,8 @@ self.sqlite3InitModule = sqlite3InitModule; }/* jaccwabyt-specific tests */) .t('Close db', function(){ - T.assert(this.db).assert(Number.isInteger(this.db.pointer)); - wasm.exports.sqlite3_wasm_db_reset(this.db.pointer); + T.assert(this.db).assert(wasm.isPtr(this.db.pointer)); + wasm.sqlite3_wasm_db_reset(this.db); this.db.close(); T.assert(!this.db.pointer); }) |