1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18#include <UnicodeUtils.h>
19#include <minikin/Measurement.h>
20
21namespace minikin {
22
23float getAdvance(const float* advances, const char* src) {
24    const size_t BUF_SIZE = 256;
25    uint16_t buf[BUF_SIZE];
26    size_t offset;
27    size_t size;
28    ParseUnicode(buf, BUF_SIZE, src, &size, &offset);
29    return getRunAdvance(advances, buf, 0, size, offset);
30}
31
32// Latin fi
33TEST(Measurement, getRunAdvance_fi) {
34    const float unligated[] = {30.0, 20.0};
35    EXPECT_EQ(0.0, getAdvance(unligated, "| 'f' 'i'"));
36    EXPECT_EQ(30.0, getAdvance(unligated, "'f' | 'i'"));
37    EXPECT_EQ(50.0, getAdvance(unligated, "'f' 'i' |"));
38
39    const float ligated[] = {40.0, 0.0};
40    EXPECT_EQ(0.0, getAdvance(ligated, "| 'f' 'i'"));
41    EXPECT_EQ(20.0, getAdvance(ligated, "'f' | 'i'"));
42    EXPECT_EQ(40.0, getAdvance(ligated, "'f' 'i' |"));
43}
44
45// Devanagari ka+virama+ka
46TEST(Measurement, getRunAdvance_kka) {
47    const float unligated[] = {30.0, 0.0, 30.0};
48    EXPECT_EQ(0.0, getAdvance(unligated, "| U+0915 U+094D U+0915"));
49    EXPECT_EQ(30.0, getAdvance(unligated, "U+0915 | U+094D U+0915"));
50    EXPECT_EQ(30.0, getAdvance(unligated, "U+0915 U+094D | U+0915"));
51    EXPECT_EQ(60.0, getAdvance(unligated, "U+0915 U+094D U+0915 |"));
52
53    const float ligated[] = {30.0, 0.0, 0.0};
54    EXPECT_EQ(0.0, getAdvance(ligated, "| U+0915 U+094D U+0915"));
55    EXPECT_EQ(30.0, getAdvance(ligated, "U+0915 | U+094D U+0915"));
56    EXPECT_EQ(30.0, getAdvance(ligated, "U+0915 U+094D | U+0915"));
57    EXPECT_EQ(30.0, getAdvance(ligated, "U+0915 U+094D U+0915 |"));
58}
59
60}  // namespace minikin
61