1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h"
6
7 #include <memory>
8 #include <utility>
9
10 #include "core/fxcrt/cfx_widetextbuf.h"
11 #include "core/fxcrt/fx_string.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13 #include "third_party/base/ptr_util.h"
14 #include "xfa/fxfa/fm2js/cxfa_fmlexer.h"
15 #include "xfa/fxfa/fm2js/cxfa_fmtojavascriptdepth.h"
16
TEST(FMCallExpressionTest,more_than_32_arguments)17 TEST(FMCallExpressionTest, more_than_32_arguments) {
18 // Use sign as it has 3 object parameters at positions 0, 5, and 6.
19 auto exp = pdfium::MakeUnique<CXFA_FMIdentifierExpression>(L"sign");
20
21 std::vector<std::unique_ptr<CXFA_FMSimpleExpression>> args;
22 for (size_t i = 0; i < 50; i++)
23 args.push_back(pdfium::MakeUnique<CXFA_FMNullExpression>());
24
25 CXFA_FMToJavaScriptDepth::Reset();
26 CXFA_FMCallExpression callExp(std::move(exp), std::move(args), true);
27
28 CFX_WideTextBuf js;
29 callExp.ToJavaScript(&js, ReturnType::kInfered);
30
31 // Generate the result javascript string.
32 WideString result = L"sign(";
33 for (size_t i = 0; i < 50; i++) {
34 if (i > 0)
35 result += L", ";
36
37 result += L"pfm_rt.get_";
38 // Object positions for sign() method.
39 if (i == 0 || i == 5 || i == 6)
40 result += L"jsobj(null)";
41 else
42 result += L"val(null)";
43 }
44 result += L")";
45
46 EXPECT_EQ(result.AsStringView(), js.AsStringView());
47 }
48
TEST(FMStringExpressionTest,Empty)49 TEST(FMStringExpressionTest, Empty) {
50 CXFA_FMToJavaScriptDepth::Reset();
51 CFX_WideTextBuf accumulator;
52 CXFA_FMStringExpression(L"").ToJavaScript(&accumulator, ReturnType::kInfered);
53 EXPECT_EQ(L"", accumulator.AsStringView());
54 }
55
TEST(FMStringExpressionTest,Short)56 TEST(FMStringExpressionTest, Short) {
57 CXFA_FMToJavaScriptDepth::Reset();
58 CFX_WideTextBuf accumulator;
59 CXFA_FMStringExpression(L"a").ToJavaScript(&accumulator,
60 ReturnType::kInfered);
61 EXPECT_EQ(L"a", accumulator.AsStringView());
62 }
63
TEST(FMStringExpressionTest,Medium)64 TEST(FMStringExpressionTest, Medium) {
65 CXFA_FMToJavaScriptDepth::Reset();
66 CFX_WideTextBuf accumulator;
67 CXFA_FMStringExpression(L".abcd.").ToJavaScript(&accumulator,
68 ReturnType::kInfered);
69 EXPECT_EQ(L"\"abcd\"", accumulator.AsStringView());
70 }
71
TEST(FMStringExpressionTest,Long)72 TEST(FMStringExpressionTest, Long) {
73 CXFA_FMToJavaScriptDepth::Reset();
74 CFX_WideTextBuf accumulator;
75 std::vector<WideStringView::UnsignedType> vec(140000, L'A');
76 CXFA_FMStringExpression(WideStringView(vec))
77 .ToJavaScript(&accumulator, ReturnType::kInfered);
78 EXPECT_EQ(140000u, accumulator.GetLength());
79 }
80
TEST(FMStringExpressionTest,Quoted)81 TEST(FMStringExpressionTest, Quoted) {
82 CXFA_FMToJavaScriptDepth::Reset();
83 CFX_WideTextBuf accumulator;
84 CXFA_FMStringExpression(L".Simon says \"\"run\"\".")
85 .ToJavaScript(&accumulator, ReturnType::kInfered);
86 EXPECT_EQ(L"\"Simon says \\\"run\\\"\"", accumulator.AsStringView());
87 }
88