skia2/tests/SkSLDSLErrorLineNumbers.cpp
Ethan Nicholas daed2592bb Made SkSL DSL into public API
In addition to the unsurprising changes to eliminate references to
src/, we also had to tighten up some C++17-isms as they are not
permitted in public headers.

Change-Id: Ie5005a33d7a135e69fb66beca5e7a5f960dbd453
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/378496
Reviewed-by: Brian Osman <brianosman@google.com>
2021-03-04 21:03:58 +00:00

127 lines
3.7 KiB
C++

/*
* Copyright 2021 Google LLC.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*****
* This class tests that errors are reported at the correct line numbers, so note that shifting the
* code up or down will break tests.
*****/
#include "include/sksl/DSL.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/sksl/SkSLIRGenerator.h"
#include "src/sksl/dsl/priv/DSLWriter.h"
#include "src/sksl/ir/SkSLIRNode.h"
#include "tests/Test.h"
#include <limits>
using namespace SkSL::dsl;
#if defined(__GNUC__) || defined(__clang__)
class ExpectErrorLineNumber : public ErrorHandler {
public:
ExpectErrorLineNumber(skiatest::Reporter* reporter, const char* msg, int line)
: fMsg(msg)
, fLine(line)
, fReporter(reporter) {
SetErrorHandler(this);
}
~ExpectErrorLineNumber() override {
REPORTER_ASSERT(fReporter, !fMsg);
SetErrorHandler(nullptr);
}
void handleError(const char* msg, PositionInfo* pos) override {
REPORTER_ASSERT(fReporter, !strcmp(msg, fMsg),
"Error mismatch: expected:\n%sbut received:\n%s", fMsg, msg);
REPORTER_ASSERT(fReporter, pos);
REPORTER_ASSERT(fReporter, pos->line() == fLine,
"Line number mismatch: expected %d, but received %d\n", fLine, pos->line());
fMsg = nullptr;
}
private:
const char* fMsg;
int fLine;
skiatest::Reporter* fReporter;
};
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLErrorLineNumbers, r, ctxInfo) {
Start(ctxInfo.directContext()->priv().getGpu()->shaderCompiler());
{
ExpectErrorLineNumber error(r,
"error: type mismatch: '+' cannot operate on 'float', 'bool'\n",
62);
DSLExpression x = (Float(1) + true);
}
{
Var a(kBool);
ExpectErrorLineNumber error(r,
"error: type mismatch: '=' cannot operate on 'bool', 'float'\n",
70);
DSLExpression x = (a = 5.0f);
}
{
Var a(Array(kInt, 5));
ExpectErrorLineNumber error(r,
"error: expected 'int', but found 'bool'\n",
78);
DSLExpression x = (a[true]);
}
{
Var a(Array(kInt, 5));
ExpectErrorLineNumber error(r,
"error: '++' cannot operate on 'int[5]'\n",
86);
DSLExpression x = ++a;
}
{
ExpectErrorLineNumber error(r,
"error: expected 'bool', but found 'int'\n",
93);
DSLStatement x = Do(Discard(), 5);
}
{
ExpectErrorLineNumber error(r,
"error: expected 'bool', but found 'int'\n",
100);
DSLStatement x = For(DSLStatement(), 5, DSLExpression(), DSLStatement());
}
{
ExpectErrorLineNumber error(r,
"error: expected 'bool', but found 'int'\n",
107);
DSLStatement x = If(5, Discard());
}
{
ExpectErrorLineNumber error(r,
"error: expected 'bool', but found 'int'\n",
114);
DSLStatement x = While(5, Discard());
}
{
ExpectErrorLineNumber error(r,
"error: no match for abs(bool)\n",
121);
DSLStatement x = Abs(true);
}
End();
}
#endif // defined(__GNUC__) || defined(__clang__)